Okla. Stat. tit. 74 § 840-2.16
Except as otherwise provided by law, any employee of the state, excluding members of boards and commissions, institutions under the administrative authority of the Oklahoma State Regents for Higher Education, employees of public school districts and elected officials, on July 1 of each year, earning less than the amount established in the Federal Poverty Guidelines for a three-person household, issued each year in the Federal Register by the United States Department of Health and Human Services, shall receive the necessary grade or salary adjustment to provide for a minimum annualized salary equal to the amount established in the Federal Poverty Guidelines for a three-person household, issued each year in the Federal Register by the United States Department of Health and Human Services. Any employee of the state, excluding members of boards and commissions, institutions under the administrative authority of the Oklahoma State Regents for Higher Education, employees of public school districts and elected officials, employed after July 1, 2007, shall receive a minimum annualized salary equal to the amount established in the Federal Poverty Guidelines for a three-person household, issued each year in the Federal Register by the United States Department of Health and Human Services. This section shall not apply to those persons employed pursuant to Section 2241 of this title or those persons employed pursuant to Section 1.6a of Title 53 of the Oklahoma Statutes.
Okla. Stat. tit. 74, § 840-2.16