Okla. Stat. tit. 56, § 56-240.4: Admissibility of report of payments

A report of the payments made by the obligor or payor or of AFDC

payments made to a person entitled to support which is prepared by

the Division, the District Office, or by public agencies in other

states with a certification of authenticity executed by the

Division, the District Office, or a public agency in another state

is admissible into evidence in district court or in an

administrative court proceeding as self-authenticated.