Credit Card Application
The merchant credit card application must be completed in order to establish a new merchant account. Attachment B of the application must be signed by the agency CFO prior to processing by the Office of the State Treasurer. Each application must be completed based on the card types you wish to accept:
American Express Application
Completed applications should be returned to the Treasurer's Office by email, fax (405-521-4176), or mailed to:
2300 N. Lincoln Blvd.
State Capitol Room 217
Attention: Treasury Services Coordinator
Oklahoma City, Oklahoma 73105
Upon receipt of the completed application for agencies new to acceptance a Treasurer's Office representative will contact the sender to discuss any question and completion of necessary agreements.
Please contact OST Treasury Services at 405-522-4256 with questions regarding application completion.