A Citi credit card and a supplementary card lying on table

FAQs


A supplementary credit card is an additional credit card that allows primary credit cardholders to extend the benefits and privileges of their primary credit cards to their family members.

The age limit for a supplementary card applicant is between 15 to 80 years old.

Required Document (For Thai Supplementary Card Applicant)

  • Photocopy of Primary Cardholder's ID (Certified document)
  • Photocopy of Supplementary Card Applicant ID (Certified document)

Required Document (For Foreign Supplementary Card Applicant)

  • Photocopy of Primary Cardholder's Passport (Certified document)
  • Photocopy of Supplementary Card Applicant Passport (Certified document)