Okla. Stat. tit. 56, § 56-238.2: Assignment of earnings to be honored by employer -

Release from liability.

Any person, firm, corporation, association, political

subdivision or department of the state employing a person owing a

support debt or obligation shall honor, according to its terms, a

duly executed assignment of earnings presented by the Director as a

plan to satisfy or retire a support debt or obligation. This

requirement to honor the assignment of earnings and the assignment

of earnings itself shall be applicable whether said earnings are to

be paid presently or in the future and shall continue in force and

effect until released in writing by the Director. Payment of money

pursuant to an assignment of earnings presented by the Director

shall serve as full acquittance under any contract of employment,

and the state warrants and represents it shall defend and hold

harmless such action taken pursuant to said assignment of earnings.

The Director shall be released from liability for improper receipt

of monies under an assignment of earnings upon return of any monies

so received.