SECURITIES AND EXCHANGE COMMISSION

                             WASHINGTON, D.C. 20549

                              --------------------

                                    FORM 8-K


                                 CURRENT REPORT

     Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934



         Date of Report (Date of earliest event reported): May 10, 1996
                      ------------------------------------


                          CITIBANK (SOUTH DAKOTA), N.A.
                                  ON BEHALF OF
                        STANDARD CREDIT CARD TRUST 1990-3
           (Issuer in respect of the Standard Credit Card Trust 1990-3
              9.50% Class A Credit Card Participation Certificates
              9.85% Class B Credit Card Participation Certificates
                       (collectively, the "Certificates"))

               (Exact name of registrant as specified in charter)



       UNITED STATES OF AMERICA                          33-33861
    (State or other jurisdiction of               (Commission File No.)
            incorporation)

                                   46-0358360
                      (I.R.S. Employer Identification No.)


                           701 EAST 60TH STREET, NORTH
                         SIOUX FALLS, SOUTH DAKOTA 57117
               (Address of principal executive offices) (Zip Code)


        Registrant's telephone number, including area code (605) 331-2626


                                 NOT APPLICABLE
         (Former name or former address, if changed since last report)

                                       1
<PAGE>

ITEM 5.  OTHER EVENTS.

     Set forth below are the Class A Certificateholder's Statement and the Class
B Certificateholder's Statement (the "Certificateholders'  Statements") relating
to the  Distribution  Date  occurring on May 10, 1996 and the related Due Period
delivered pursuant to Section 5.02 of the Pooling and Servicing  Agreement dated
as of March 28, 1990 (the "Pooling  Agreement") relating to Standard Credit Card
Trust  1990-3 among  Citibank  (South  Dakota),  N.A.,  as Seller and  Servicer,
Citibank (Nevada),  National  Association,  as Seller, and Yasuda Bank and Trust
Company  (U.S.A.),  as  Trustee.  The  Certificateholders'   Statements  contain
information relating to the distribution to Certificateholders on the referenced
Distribution  Date as well as information  relating to the  Receivables  and the
Accounts from which the Receivables have arisen.  Capitalized terms used but not
defined herein have the meanings set forth in the Pooling Agreement.
                                       2
<PAGE>



                 CLASS A CERTIFICATEHOLDER'S STATEMENT

                     CITIBANK (SOUTH DAKOTA), N.A.
                CITIBANK (NEVADA), NATIONAL ASSOCIATION

- ----------------------------------------------------------------------------
                   STANDARD CREDIT CARD TRUST 1990-3
- ----------------------------------------------------------------------------
          Under the Pooling and Servicing  Agreement (the "Pooling and Servicing
  Agreement")  dated as of March 28, 1990, by and among Citibank (South Dakota),
  N.A., as Seller and Servicer,  Citibank  (Nevada),  National  Association,  as
  Seller and Yasuda Bank and Trust Company (U.S.A), as Trustee,  the Servicer is
  required  to  prepare  certain   information  each  month  regarding   current
  distributions  to  Class  A  Certificateholders  and  the  performance  of the
  Standard Credit Card Trust 1990-3 (the "Trust") during the previous month. The
  information  which is required to be prepared with respect to the distribution
  on May 10,  1996  Payment  Date (the  Payment  Date") and with  respect to the
  performance of the Trust during the Due Period(s) with respect to such Payment
  Date is set forth below.  Certain of the information is presented on the basis
  of an  original  principal  amount of $1000 per Class A  Certificate.  Certain
  other information is presented based on the aggregate amounts for the Trust as
  a whole. All capitalized terms used herein shall have the respective  meanings
  set forth in the Pooling and Servicing Agreement.

  A.    Information Regarding Distributions to Class A
        Certificateholders (Stated on the Basis of $1,000
        Current Invested Amount).

    1.  The total amount of the distribution to Class A
        Certificateholders on the Distribution Date, per
        $1,000 interest....................................$           47.500

    2.  The amount of the distribution set forth in paragraph
        1 above in respect of principal on the Class A Certi-
        ficates, per $1,000 interest.......................$            0.000

    3.  The amount of the distribution set forth in paragraph
        1 above in respect of interest on the Class A Certi-
        ficates, per $1,000 interest.......................$           47.500

  B.    Information Regarding the Performance of the Trust

    1.  Collections of Receivables.

        (a)  The aggregate amount of Collections of Receivables
             processed during the Due Period(s) with respect
             to the Distribution Date......................$     574,038,361

        (b)  The aggregate amount of Collections of Receivables
             in respect of Finance Charge Receivables processed
             during the Due Period(s) with respect to the
             Distribution Date.............................$      64,529,899 [1]

                                       3
<PAGE>

        (c)  The aggregate amount of Collections of Receivables
             in respect of Principal Receivables processed during
             the Due Period(s) with respect to the Distribution
             Date..........................................$     509,508,462 [2]

    2.  Allocation of Receivables.

         (a)  The Class A Floating Allocation Percentage for
              the Due Period(s) with respect to the Distribution
              Date..........................................

              First Due Period...... 73.68
              Second Due Period..... 74.03
              Third Due Period...... 72.37
              Fourth Due Period..... 74.45
              Fifth Due Period...... 75.89
              Sixth Due Period...... 76.83

         (b)  The Fixed Allocation Percentage...............     N/A         [3]

    ------------------------------------------------------------

    [1] Includes Interchange and Recoveries.

    [2] During  the  Revolving  Period,  this  amount  (or the  portion  thereof
        received prior to the occurrence of an Amortization  Event) will be paid
        solely to the holders of the Seller Certificate.

    [3] Applicable during the Accumulation Period and any Early Amortization
        Period.

                                       4
<PAGE>


    3.  Class A Principal Funding Account.

        (a)  The total amount deposited into the Principal
             Funding Account on the Distribution Date(s) with
             respect to the Distribution Date..............$              0 [4]

        (b)  The total amount on deposit in the Principal Funding
             Account on the Distribution  Date (after giving effect 
             to each deposit referred to in
             Item 3(a))....................................$             0  [4]

    4.  Delinquent Balances.

        (a)  The aggregate outstanding balance of the Accounts
             which were delinquent by 35 days to 64 days as of
             the close of business on the last day of the calendar
             month preceding the Payment Date..............$     12,156,262

        (b)  The aggregate outstanding balance of the Accounts
             which were delinquent by 65 days or more as of the
             close of business on the last day of the calendar
             month preceding the Payment Date..............$     19,064,995

    5.  Class A Investor Default Amount.

        The aggregate Class A Investor Default Amount for the
        Payment Date(s) with respect to the Payment Date...$      2,293,951

    6.  Class A Investor Charge-Offs; Reimbursement of Charge-Offs.

        (a)  The aggregate of the Class A Investor Charge-Offs,
             if any, for the Distribution Date with respect
             to the Payment Date............................$             0

        (b)  The amount of the Class A Investor Charge-Offs set
             forth in Item 6(a) above, per $1,000 interest (which
             will have the effect of reducing, pro rata, the
             amount of each Class A Investor Certificateholder's
             investment....................................$              0

        (c)  The total amount reimbursed to the Trust for such
             Distribution Date(s) in respect of Class A Investor
             Charge-Offs...................................$              0

        (d)  The amount set forth in Item 6(c) above, per $1,000
             interest (which will have the effect of reinstating,
             pro rata, the amount of each Class A Investor
             Certificateholder's investment................$              0

        (e)  The amount, if any, by which the outstanding principal
             balance of the Class A Investor Certificates exceeds
             the Class A Invested Amount as of the end of the day
             on such Payment Date..........................$              0

    7.  Servicing Fee.

        The aggregate amount of the Monthly Class A 
        Servicing Fee paid or payable by the Trust to

                                       6
<PAGE>


        the Servicer for the Distribution Date.............$      5,750,000

    8.  The existing Deficit Controlled Amortization Amount
        for such Payment Date..............................$

  C.    The Class A Pool Factor.

        The Class A Pool Factor for the preceding Record Date
        (which represents the ratio of the Class A Invested Amount
        as of such Record Date (adjusted after taking into account
        any increases or decreases in the Class A Invested Amount
        which will occur on the following Distribution Date) to the
        Class A Initial Invested Amount).  The amount of a Certifi-
        cateholder's pro rata share of the Invested Amount can be
        determined by multiplying the original denomination of the
        holder's Class A Certificate by the Pool Factor....$          100.00%

  D.    Receivables Balances.

    1.  The aggregate amount of Principal Receivables in the Trust
        at the close of business on the last day of the preceding
        Due Period.........................................$    641,504,648

    2.  The aggregate amount of Finance Charge Receivables in the
        Trust at the close of business on the last day of the
        preceding Due Period...............................$     10,878,284

  E.    Class B Certificates.

    1.  The amount of Reallocated Principal Collections with
        respect to such Distribution Date..................$              0

    2.  The Class B Invested Amount as of the end of the day
        on the Payment Date................................$     62,000,000


                                        CITIBANK (SOUTH DAKOTA), N.A.
                                            as Servicer



                                            By:  /s/ Susan Sexton
                                            Name: Susan Sexton
                                            Title: Vice President



 [4]  Applicable during the Scheduled Amortization Period.

 [5]  Applicable during the Accumulation Period.



                                       7
<PAGE>


                 CLASS B CERTIFICATEHOLDER'S STATEMENT

                     CITIBANK (SOUTH DAKOTA), N.A.
                CITIBANK (NEVADA), NATIONAL ASSOCIATION

- ------------------------------------------------------------------------------
                   STANDARD CREDIT CARD TRUST 1990-3
- ------------------------------------------------------------------------------

          Under the Pooling and Servicing  Agreement (the "Pooling and Servicing
  Agreement")  dated as of March 28, 1990, by and among Citibank (South Dakota),
  N.A., as Seller and Servicer,  Citibank  (Nevada),  National  Association,  as
  Seller and Yasuda Bank and Trust Company, as Trustee, the Servicer is required
  to prepare certain  information each month regarding current  distributions to
  Class B  Certificateholders  and the  performance of the Standard  Credit Card
  Trust 90-3 (the "Trust") during the previous month.  The information  which is
  required  to be  prepared  with  respect to the  distribution  on May 10, 1996
  Payment Date (the "Payment  Date") and with respect to the  performance of the
  Trust during the Due Period(s)  with respect to such Payment Date is set forth
  below.  Certain of the  information  is  presented on the basis of an original
  principal amount of $1000 per Class B Certificate.  Certain other  information
  is  presented  on  the  aggregate  amounts  for  the  Trust  as a  whole.  All
  capitalized terms used herein shall have the respective  meanings set forth in
  the Pooling and Servicing Agreement.

  A.    Information Regarding Distributions to Class B
        Certificateholders (Stated on the Basis of $1,000
        Current Invested Amount).

    1.  The total amount of the distribution to Class B
        Certificateholders on the Payment Date, per $1,000
        interest...........................................$           49.250

    2.  The amount of the distribution set forth in paragraph
        1 above in respect of principal on the Class B Certi-
        ficates, per $1,000 interest.......................$            0.000

    3.  The amount of the distribution set forth in paragraph
        1 above in respect of interest on the Class B Certi-
        ficates, per $1,000 interest.......................$           49.250

  B.    Information Regarding the Performance of the Trust

    1.  Collections of Receivables.

        (a)  The aggregate amount of Collections of Receivables
             processed during the Due Period(s) with respect
             to the Payment Date...........................$     574,038,361

        (b)  The aggregate amount of Collections of Receivables
             in respect of Finance Charge Receivables processed
             during the Due Period(s) with respect to the
             Payment Date..................................$      64,529,899 [1]


                                       9
<PAGE>

        (c)  The aggregate amount of Collections of Receivables
             in respect of Principal Receivables processed during
             the Due Period(s) with respect to the Payment
             Date..........................................$     509,508,462 [2]

    2.  Allocation of Receivables.

         (a)  The Class B Floating Allocation Percentage for
              the Due Period(s) with respect to the Payment
              Date..........................................

              First Due Period......  9.14
              Second Due Period.....  9.18
              Third Due Period......  8.97
              Fourth Due Period.....  9.23
              Fifth Due Period......  9.41
              Sixth Due Period......  9.53

         (b)  The Fixed Allocation Percentage...............     N/A         [3]

    ------------------------------------------------------------

    [1] Includes Interchange and Recoveries.

    [2] During  the  Revolving  Period,  this  amount  (or the  portion  thereof
        received prior to the occurrence of an Amortization  Event) will be paid
        solely to the  holders  of the  Seller  Certificate  or,  under  certain
        circumstances, will be used to fund certain payments with respect to the
        Class A Certificates.

    [3] Applicable during the Accumulation Period and any Early Amortization
        Period.


                                       10
<PAGE>

    3.  Available L/C Amount.

        (a)  The amount  available to be drawn under the L/C 
             (the "Available L/C Amount") as of the close of 
             business  on the  Payment  Date,  after giving
             effect to any  drawings on the L/C and  payments 
             to the L/C Issuer on such Payment Date............$     33,720,000

        (b)  The ratio of the  Available  L/C  Amount  to the
             Class B  Invested Amount as of the close of business
             on the Payment Date after giving effect to any 
             drawings on the L/C and payments to the L/C Issuer
             on such Payment Date..........................          54.387%

    4.  Delinquent Balances.

        (a)  The  aggregate outstanding  balance  of the
             Accounts which were delinquent by 35 days to 64
             days as of the close of business on the last day
             of the calendar month preceding
             the Payment Date..............................$     12,156,262

        (b)  The  aggregate  outstanding  balance  of the  
             Accounts  which  were delinquent  by 65 days 
             or more as of the close of  business  on the
             last day of the calendar month preceding
             the Payment Date..............................$     19,064,995

    5.  Class B Investor Default Amount.

        The Class B Investor Default Amount for the
        Distribution Date(s) with respect to the Payment
        Date...............................................$        284,450

    6.  Class B Investor Charge-Offs; Reimbursement of Charge-Offs.

        (a)  The aggregate of the Class B Investor Charge-
             Offs and other reductions in the Class B
             Invested Amount (other than due to the payment
             of principal to the Class B Certificateholders),
             if any, for the Distribution Date(s) with respect
             to the Payment Date...........................$              0

        (b)  The  amount  of  the  Class  B  Investor  Charge-
             Offs and other reductions in the Class B Invested  
             Amount set forth in Item 6(a) above, per $1,000 
             interest (which will have the effect of reducing,
             pro rata, the amount of each Class B Certificate-
             holder's investment)..........................$              0

        (c)  The total  amount  reimbursed  to the  Trust for 
             such  Distribution Date(s) in respect of Class B 
             Investor Charge-Offs and other reductions in 
             Class B Invested Amount......................$               0


                                       11
<PAGE>

        (d)  The amount set forth in Item 6(c) above, per 
             $1,000 interest, which will have the effect of
             reinstating,  pro rata, the amount of each Class 
             B Certificateholder's investment..........................$  0

        (e)  The amount,  if any, by which the outstanding  
             principal balance of the Class B  Investor  
             Certificates  exceeds  the Class B  Invested Amount
             as of the end of the day on such Payment Date...........$    0

    7.  Servicing Fee.

        The  aggregate  amount  of the  Class B  Monthly  
        Servicing Fee paid or payable by the Trust to the 
        Servicer for the Distribution Date(s)
        with respect to the Payment Date...................$        713,000

    8.  The existing Deficit Controlled Amortization
        Amount for such Payment Date.......................$              0


  C.    The Class B Pool Factor.
        The Class B Pool Factor for the preceding
        Record Date (which represents the ratio of
        the Class B Invested Amount as of such Record
        Date (adjusted after taking into account any
        increases or decreases in the Class B Invested
        Amount which will occur on the following
        Distribution Date) to the Class B Initial Invested
        Amount.)  The Amount of a Certificateholder's pro
        rata share of the Invested Amount can be determined
        by multiplying the original denomination of the
        holder's Class B Certificate by the Pool Factor.....          100.00%

  D.    Receivables Balances.

    1.  The aggregate amount of Principal Receivables
        in the Trust at the close of business on the
        last day of the preceding Due Period...............$    641,504,648

    2.  The aggregate amount of Finance Charge
        Receivables in the Trust at the close of
        business on the last day of the preceding
        Due Period.........................................$     10,878,284


                               CITIBANK (SOUTH DAKOTA), N.A.
                                   as Servicer



                                By: /s/ Susan Sexton
                                Name: Susan Sexton
                                Title: Vice President


                                       12
<PAGE>

                                          SIGNATURES

                 Pursuant to the requirements of the Securities  Exchange Act of
1934,  the  registrant has duly caused this report to be signed on its behalf by
the undersigned hereunto duly authorized.


                                            CITIBANK (SOUTH DAKOTA), N.A.,
                                              as Servicer
                                          Standard Credit Card Trust 1990-3



                                            By:  /s/ Eugene D. Rowenhorst
                                                 -------------------------
                                                 Eugene D. Rowenhorst
                                                 Senior Vice President

Dated: May 31, 1996
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SECURITIES AND EXCHANGE COMMISSION

                             WASHINGTON, D.C. 20549

                              --------------------

                                    FORM 8-K

                                 CURRENT REPORT

     Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

         Date of Report (Date of earliest event reported): May 10, 1996
                      ------------------------------------

                          CITIBANK (SOUTH DAKOTA), N.A.
                                  ON BEHALF OF
                        STANDARD CREDIT CARD TRUST 1990-3
           (Issuer in respect of the Standard Credit Card Trust 1990-3
              9.50% Class A Credit Card Participation Certificates
              9.85% Class B Credit Card Participation Certificates
                       (collectively, the "Certificates"))

               (Exact name of registrant as specified in charter)

       UNITED STATES OF AMERICA                          33-33861
    (State or other jurisdiction of               (Commission File No.)
            incorporation)

                                   46-0358360
                      (I.R.S. Employer Identification No.)

                           701 EAST 60TH STREET, NORTH
                         SIOUX FALLS, SOUTH DAKOTA 57117
               (Address of principal executive offices) (Zip Code)

        Registrant's telephone number, including area code (605) 331-2626

                                 NOT APPLICABLE
         (Former name or former address, if changed since last report)

                                       1
ITEM 5.  OTHER EVENTS.

     Set forth below are the Class A Certificateholder's Statement and the Class
B Certificateholder's Statement (the "Certificateholders'  Statements") relating
to the  Distribution  Date  occurring on May 10, 1996 and the related Due Period
delivered pursuant to Section 5.02 of the Pooling and Servicing  Agreement dated
as of March 28, 1990 (the "Pooling  Agreement") relating to Standard Credit Card
Trust  1990-3 among  Citibank  (South  Dakota),  N.A.,  as Seller and  Servicer,
Citibank (Nevada),  National  Association,  as Seller, and Yasuda Bank and Trust
Company  (U.S.A.),  as  Trustee.  The  Certificateholders'   Statements  contain
information relating to the distribution to Certificateholders on the referenced
Distribution  Date as well as information  relating to the  Receivables  and the
Accounts from which the Receivables have arisen.  Capitalized terms used but not
defined herein have the meanings set forth in the Pooling Agreement.
                                       2
CLASS A CERTIFICATEHOLDER'S STATEMENT

                     CITIBANK (SOUTH DAKOTA), N.A.
                CITIBANK (NEVADA), NATIONAL ASSOCIATION

- ----------------------------------------------------------------------------
                   STANDARD CREDIT CARD TRUST 1990-3
- ----------------------------------------------------------------------------
          Under the Pooling and Servicing  Agreement (the "Pooling and Servicing
  Agreement")  dated as of March 28, 1990, by and among Citibank (South Dakota),
  N.A., as Seller and Servicer,  Citibank  (Nevada),  National  Association,  as
  Seller and Yasuda Bank and Trust Company (U.S.A), as Trustee,  the Servicer is
  required  to  prepare  certain   information  each  month  regarding   current
  distributions  to  Class  A  Certificateholders  and  the  performance  of the
  Standard Credit Card Trust 1990-3 (the "Trust") during the previous month. The
  information  which is required to be prepared with respect to the distribution
  on May 10,  1996  Payment  Date (the  Payment  Date") and with  respect to the
  performance of the Trust during the Due Period(s) with respect to such Payment
  Date is set forth below.  Certain of the information is presented on the basis
  of an  original  principal  amount of $1000 per Class A  Certificate.  Certain
  other information is presented based on the aggregate amounts for the Trust as
  a whole. All capitalized terms used herein shall have the respective  meanings
  set forth in the Pooling and Servicing Agreement.

  A.    Information Regarding Distributions to Class A
        Certificateholders (Stated on the Basis of $1,000
        Current Invested Amount).

    1.  The total amount of the distribution to Class A
        Certificateholders on the Distribution Date, per
        $1,000 interest....................................$           47.500

    2.  The amount of the distribution set forth in paragraph
        1 above in respect of principal on the Class A Certi-
        ficates, per $1,000 interest.......................$            0.000

    3.  The amount of the distribution set forth in paragraph
        1 above in respect of interest on the Class A Certi-
        ficates, per $1,000 interest.......................$           47.500

  B.    Information Regarding the Performance of the Trust

    1.  Collections of Receivables.

        (a)  The aggregate amount of Collections of Receivables
             processed during the Due Period(s) with respect
             to the Distribution Date......................$     574,038,361

        (b)  The aggregate amount of Collections of Receivables
             in respect of Finance Charge Receivables processed
             during the Due Period(s) with respect to the
             Distribution Date.............................$      64,529,899 [1]

                                       3
(c)  The aggregate amount of Collections of Receivables
             in respect of Principal Receivables processed during
             the Due Period(s) with respect to the Distribution
             Date..........................................$     509,508,462 [2]

    2.  Allocation of Receivables.

         (a)  The Class A Floating Allocation Percentage for
              the Due Period(s) with respect to the Distribution
              Date..........................................

              First Due Period...... 73.68
              Second Due Period..... 74.03
              Third Due Period...... 72.37
              Fourth Due Period..... 74.45
              Fifth Due Period...... 75.89
              Sixth Due Period...... 76.83

         (b)  The Fixed Allocation Percentage...............     N/A         [3]

    ------------------------------------------------------------

    [1] Includes Interchange and Recoveries.

    [2] During  the  Revolving  Period,  this  amount  (or the  portion  thereof
        received prior to the occurrence of an Amortization  Event) will be paid
        solely to the holders of the Seller Certificate.

    [3] Applicable during the Accumulation Period and any Early Amortization
        Period.

                                       4
3.  Class A Principal Funding Account.

        (a)  The total amount deposited into the Principal
             Funding Account on the Distribution Date(s) with
             respect to the Distribution Date..............$              0 [4]

        (b)  The total amount on deposit in the Principal Funding
             Account on the Distribution  Date (after giving effect 
             to each deposit referred to in
             Item 3(a))....................................$             0  [4]

    4.  Delinquent Balances.

        (a)  The aggregate outstanding balance of the Accounts
             which were delinquent by 35 days to 64 days as of
             the close of business on the last day of the calendar
             month preceding the Payment Date..............$     12,156,262

        (b)  The aggregate outstanding balance of the Accounts
             which were delinquent by 65 days or more as of the
             close of business on the last day of the calendar
             month preceding the Payment Date..............$     19,064,995

    5.  Class A Investor Default Amount.

        The aggregate Class A Investor Default Amount for the
        Payment Date(s) with respect to the Payment Date...$      2,293,951

    6.  Class A Investor Charge-Offs; Reimbursement of Charge-Offs.

        (a)  The aggregate of the Class A Investor Charge-Offs,
             if any, for the Distribution Date with respect
             to the Payment Date............................$             0

        (b)  The amount of the Class A Investor Charge-Offs set
             forth in Item 6(a) above, per $1,000 interest (which
             will have the effect of reducing, pro rata, the
             amount of each Class A Investor Certificateholder's
             investment....................................$              0

        (c)  The total amount reimbursed to the Trust for such
             Distribution Date(s) in respect of Class A Investor
             Charge-Offs...................................$              0

        (d)  The amount set forth in Item 6(c) above, per $1,000
             interest (which will have the effect of reinstating,
             pro rata, the amount of each Class A Investor
             Certificateholder's investment................$              0

        (e)  The amount, if any, by which the outstanding principal
             balance of the Class A Investor Certificates exceeds
             the Class A Invested Amount as of the end of the day
             on such Payment Date..........................$              0

    7.  Servicing Fee.

        The aggregate amount of the Monthly Class A 
        Servicing Fee paid or payable by the Trust to

                                       6
the Servicer for the Distribution Date.............$      5,750,000

    8.  The existing Deficit Controlled Amortization Amount
        for such Payment Date..............................$

  C.    The Class A Pool Factor.

        The Class A Pool Factor for the preceding Record Date
        (which represents the ratio of the Class A Invested Amount
        as of such Record Date (adjusted after taking into account
        any increases or decreases in the Class A Invested Amount
        which will occur on the following Distribution Date) to the
        Class A Initial Invested Amount).  The amount of a Certifi-
        cateholder's pro rata share of the Invested Amount can be
        determined by multiplying the original denomination of the
        holder's Class A Certificate by the Pool Factor....$          100.00%

  D.    Receivables Balances.

    1.  The aggregate amount of Principal Receivables in the Trust
        at the close of business on the last day of the preceding
        Due Period.........................................$    641,504,648

    2.  The aggregate amount of Finance Charge Receivables in the
        Trust at the close of business on the last day of the
        preceding Due Period...............................$     10,878,284

  E.    Class B Certificates.

    1.  The amount of Reallocated Principal Collections with
        respect to such Distribution Date..................$              0

    2.  The Class B Invested Amount as of the end of the day
        on the Payment Date................................$     62,000,000

                                        CITIBANK (SOUTH DAKOTA), N.A.
                                            as Servicer

                                            By:  /s/ Susan Sexton
                                            Name: Susan Sexton
                                            Title: Vice President

 [4]  Applicable during the Scheduled Amortization Period.

 [5]  Applicable during the Accumulation Period.

                                       7
CLASS B CERTIFICATEHOLDER'S STATEMENT

                     CITIBANK (SOUTH DAKOTA), N.A.
                CITIBANK (NEVADA), NATIONAL ASSOCIATION

- ------------------------------------------------------------------------------
                   STANDARD CREDIT CARD TRUST 1990-3
- ------------------------------------------------------------------------------

          Under the Pooling and Servicing  Agreement (the "Pooling and Servicing
  Agreement")  dated as of March 28, 1990, by and among Citibank (South Dakota),
  N.A., as Seller and Servicer,  Citibank  (Nevada),  National  Association,  as
  Seller and Yasuda Bank and Trust Company, as Trustee, the Servicer is required
  to prepare certain  information each month regarding current  distributions to
  Class B  Certificateholders  and the  performance of the Standard  Credit Card
  Trust 90-3 (the "Trust") during the previous month.  The information  which is
  required  to be  prepared  with  respect to the  distribution  on May 10, 1996
  Payment Date (the "Payment  Date") and with respect to the  performance of the
  Trust during the Due Period(s)  with respect to such Payment Date is set forth
  below.  Certain of the  information  is  presented on the basis of an original
  principal amount of $1000 per Class B Certificate.  Certain other  information
  is  presented  on  the  aggregate  amounts  for  the  Trust  as a  whole.  All
  capitalized terms used herein shall have the respective  meanings set forth in
  the Pooling and Servicing Agreement.

  A.    Information Regarding Distributions to Class B
        Certificateholders (Stated on the Basis of $1,000
        Current Invested Amount).

    1.  The total amount of the distribution to Class B
        Certificateholders on the Payment Date, per $1,000
        interest...........................................$           49.250

    2.  The amount of the distribution set forth in paragraph
        1 above in respect of principal on the Class B Certi-
        ficates, per $1,000 interest.......................$            0.000

    3.  The amount of the distribution set forth in paragraph
        1 above in respect of interest on the Class B Certi-
        ficates, per $1,000 interest.......................$           49.250

  B.    Information Regarding the Performance of the Trust

    1.  Collections of Receivables.

        (a)  The aggregate amount of Collections of Receivables
             processed during the Due Period(s) with respect
             to the Payment Date...........................$     574,038,361

        (b)  The aggregate amount of Collections of Receivables
             in respect of Finance Charge Receivables processed
             during the Due Period(s) with respect to the
             Payment Date..................................$      64,529,899 [1]

                                       9
(c)  The aggregate amount of Collections of Receivables
             in respect of Principal Receivables processed during
             the Due Period(s) with respect to the Payment
             Date..........................................$     509,508,462 [2]

    2.  Allocation of Receivables.

         (a)  The Class B Floating Allocation Percentage for
              the Due Period(s) with respect to the Payment
              Date..........................................

              First Due Period......  9.14
              Second Due Period.....  9.18
              Third Due Period......  8.97
              Fourth Due Period.....  9.23
              Fifth Due Period......  9.41
              Sixth Due Period......  9.53

         (b)  The Fixed Allocation Percentage...............     N/A         [3]

    ------------------------------------------------------------

    [1] Includes Interchange and Recoveries.

    [2] During  the  Revolving  Period,  this  amount  (or the  portion  thereof
        received prior to the occurrence of an Amortization  Event) will be paid
        solely to the  holders  of the  Seller  Certificate  or,  under  certain
        circumstances, will be used to fund certain payments with respect to the
        Class A Certificates.

    [3] Applicable during the Accumulation Period and any Early Amortization
        Period.

                                       10
3.  Available L/C Amount.

        (a)  The amount  available to be drawn under the L/C 
             (the "Available L/C Amount") as of the close of 
             business  on the  Payment  Date,  after giving
             effect to any  drawings on the L/C and  payments 
             to the L/C Issuer on such Payment Date............$     33,720,000

        (b)  The ratio of the  Available  L/C  Amount  to the
             Class B  Invested Amount as of the close of business
             on the Payment Date after giving effect to any 
             drawings on the L/C and payments to the L/C Issuer
             on such Payment Date..........................          54.387%

    4.  Delinquent Balances.

        (a)  The  aggregate outstanding  balance  of the
             Accounts which were delinquent by 35 days to 64
             days as of the close of business on the last day
             of the calendar month preceding
             the Payment Date..............................$     12,156,262

        (b)  The  aggregate  outstanding  balance  of the  
             Accounts  which  were delinquent  by 65 days 
             or more as of the close of  business  on the
             last day of the calendar month preceding
             the Payment Date..............................$     19,064,995

    5.  Class B Investor Default Amount.

        The Class B Investor Default Amount for the
        Distribution Date(s) with respect to the Payment
        Date...............................................$        284,450

    6.  Class B Investor Charge-Offs; Reimbursement of Charge-Offs.

        (a)  The aggregate of the Class B Investor Charge-
             Offs and other reductions in the Class B
             Invested Amount (other than due to the payment
             of principal to the Class B Certificateholders),
             if any, for the Distribution Date(s) with respect
             to the Payment Date...........................$              0

        (b)  The  amount  of  the  Class  B  Investor  Charge-
             Offs and other reductions in the Class B Invested  
             Amount set forth in Item 6(a) above, per $1,000 
             interest (which will have the effect of reducing,
             pro rata, the amount of each Class B Certificate-
             holder's investment)..........................$              0

        (c)  The total  amount  reimbursed  to the  Trust for 
             such  Distribution Date(s) in respect of Class B 
             Investor Charge-Offs and other reductions in 
             Class B Invested Amount......................$               0

                                       11
(d)  The amount set forth in Item 6(c) above, per 
             $1,000 interest, which will have the effect of
             reinstating,  pro rata, the amount of each Class 
             B Certificateholder's investment..........................$  0

        (e)  The amount,  if any, by which the outstanding  
             principal balance of the Class B  Investor  
             Certificates  exceeds  the Class B  Invested Amount
             as of the end of the day on such Payment Date...........$    0

    7.  Servicing Fee.

        The  aggregate  amount  of the  Class B  Monthly  
        Servicing Fee paid or payable by the Trust to the 
        Servicer for the Distribution Date(s)
        with respect to the Payment Date...................$        713,000

    8.  The existing Deficit Controlled Amortization
        Amount for such Payment Date.......................$              0

  C.    The Class B Pool Factor.
        The Class B Pool Factor for the preceding
        Record Date (which represents the ratio of
        the Class B Invested Amount as of such Record
        Date (adjusted after taking into account any
        increases or decreases in the Class B Invested
        Amount which will occur on the following
        Distribution Date) to the Class B Initial Invested
        Amount.)  The Amount of a Certificateholder's pro
        rata share of the Invested Amount can be determined
        by multiplying the original denomination of the
        holder's Class B Certificate by the Pool Factor.....          100.00%

  D.    Receivables Balances.

    1.  The aggregate amount of Principal Receivables
        in the Trust at the close of business on the
        last day of the preceding Due Period...............$    641,504,648

    2.  The aggregate amount of Finance Charge
        Receivables in the Trust at the close of
        business on the last day of the preceding
        Due Period.........................................$     10,878,284

                               CITIBANK (SOUTH DAKOTA), N.A.
                                   as Servicer

                                By: /s/ Susan Sexton
                                Name: Susan Sexton
                                Title: Vice President

                                       12
SIGNATURES

                 Pursuant to the requirements of the Securities  Exchange Act of
1934,  the  registrant has duly caused this report to be signed on its behalf by
the undersigned hereunto duly authorized.

                                            CITIBANK (SOUTH DAKOTA), N.A.,
                                              as Servicer
                                          Standard Credit Card Trust 1990-3

                                            By:  /s/ Eugene D. Rowenhorst
                                                 -------------------------
                                                 Eugene D. Rowenhorst
                                                 Senior Vice President

Dated: May 31, 1996