Okla. Stat. tit. 57, § 632
No later than July 31 of the year following the effective date of this Act, and no later than July 31 every year thereafter, the Office of Management and Enterprise Services shall calculate the savings and averted costs that accrued to the state from the implementation of the Oklahoma Smart Justice Reform Act. In making the calculation required by this section, the Office of Management and Enterprise Services shall use actual data or best available estimates where actual data is not available. The calculation shall be final and shall not be adjusted for any subsequent changes in the underlying data.
Section 3, State Question 781, Initiative Petition 405, adopted at election held November 8, 2016, effective July 1, 2017.