Okla. Stat. tit. 74, § 150.6a

Subject to the availability of funds, the annual salaries for Oklahoma State Bureau of Investigation employees shall be in accordance and conformity with the findings of state or agency salary, compensation and remuneration studies or surveys approved by the Human Capital Management Division of the Office of Management and Enterprise Services. Nothing in this section shall be construed to prohibit a reduction in pay or salary due to involuntary leave without pay as authorized in Section 840-2.27C of this title.