Okla. Stat. tit. 59, § 59-858-307.1: Issuance of license - Term - Fees

The Oklahoma Real Estate Commission shall issue every real

estate license for a term of thirty-six (36) months with the

exception of a provisional sales associate license whose license

term shall be for twelve (12) months. License terms shall not be

altered except for the purpose of general reassignment of the terms

which might be necessitated for maintaining an equitable staggered

license term system. The expiration date of the license shall be

the end of the twelfth or thirty-sixth month, whichever is

applicable, including the month of issuance. Fees shall be

promulgated by rule, payable in advance, and nonrefundable.