Okla. Stat. tit. 10, § 10-7700-307: Rescission of acknowledgment or denial

A. A signatory may sign a rescission of acknowledgment of

paternity or sign a rescission of denial of paternity before the

earlier of:

1. Sixty (60) days after the effective date of the

acknowledgment; or

2. The date of the first hearing, in a proceeding to which the

signatory is a party, before a court to adjudicate an issue relating

to the child, including a proceeding that establishes support.

B. A signatory who was a minor at the time of execution of the

acknowledgment may rescind an acknowledgment of paternity within

sixty (60) days of reaching the age of eighteen.