old_contents: # Copyright 2017-2018 Onestein (<http://www.onestein.eu>)
  # License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl).
  
  from odoo import fields, models
  
  
  class ResPartner(models.Model):
      _inherit = 'res.partner'
  
      coc_registration_number = fields.Char(
          string='CoC Registration Number',
          compute=lambda s: s._compute_identification(
              'coc_registration_number', 'coc',
          ),
          inverse=lambda s: s._inverse_identification(
              'coc_registration_number', 'coc',
          ),
          search=lambda s, *a: s._search_identification(
              'coc_registration_number', 'coc', *a
          ),
      )
  
new_contents: # Copyright 2017-2018 Onestein (<http://www.onestein.eu>)
  # License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl).
  
  from odoo import fields, models
  
  
  class ResPartner(models.Model):
      _inherit = 'res.partner'
  
      coc_registration_number = fields.Char(
          string='CoC Registration Number',
          compute=lambda s: s._compute_identification(
              'coc_registration_number', 'coc',
          ),
          inverse=lambda s: s._inverse_identification(
              'coc_registration_number', 'coc',
          ),
          search=lambda s, *a: s._search_identification(
              'coc', *a
          ),
      )
  
subject: call search method correctly (#702)