It's rewarding to share.

Apply for Citi® Supplementary Card

Citi Supplementary Card is the perfect gift to show your care.

To apply, simply complete and return the application form, with the copy of each supplementary card applicant's HKID.

Top reasons to apply for a Citi Supplementary Card#

  • Enjoy permanent annual fee waiver on your supplementary cards*
  • Earn credit card rewards together
  • Share with your loved ones the suite of exclusive benefits and privileges
How To Apply

Please return your application form and supporting documents to us using one of the methods below:

By Fax:

(852) 3509 4009(852) 3509 4009

By Mail:

Citibank (Hong Kong) Limited,

GPO Box 3281, Hong Kong.

Documents required:

  • HKID/Passport copy of Supplementary Card Applicant
  • Additional government issued identification document copy (e.g. passport or Mainland Travel Permit for Hong Kong and Macau Residents (Home Return Permit) etc.) of Supplementary Card Applicant
  • Signed application form with signatures of both Principle Cardholder and Supplementary Card Applicant
  • Citi PremierMiles Card
  • Citi Rewards Card
  • Citi Clear Card
  • Citi Octopus Credit Card
  • Year Round Dining Offers
  • Refer your friends to apply for Citi Credit Cards to enjoy up to HK$28,000 cash rebate
To borrow or not to borrow? Borrow only if you can repay!


Each supplementary cardholder (aged over 16 years) shares the same credit limit as you. Supplementary Cards are not applicable to Citi Clear Student Card.
For the details of annual fee, finance charge and Annualized Percentage Rate (cash advance and non-cash advance transaction) of Supplementary Card, please refer to the Citibank Credit Card Fees Schedule.