Okla. Stat. tit. 51, § 51-20: Books turned over to successor before salary paid

No officer who receives, for the use of his office, the

statutes, state reports, digests or other books, shall be entitled

to receive a warrant for the payment of his salary for the last

month of his term of service until he shall have filed with the

person issuing such warrant a receipt from his successor in office,

showing all of such books to be in said office.