Okla. Stat. tit. 15, § 786

A. All persons enrolled in a third party prescription program shall be issued an identification card by the administrator of the program which shall be presented when obtaining services from a pharmacy. B. In the event that a person uses a program identification card to obtain goods and services from a pharmacy when they are no longer eligible for prescription drug services, the administrator shall make one good faith payment for one claim to a pharmacy. C. Notification of a pharmacy of the ineligibility of a person shall be given by indicating this on the payment voucher on which a good faith payment has been made.