Okla. Stat. tit. 11, § 11-49-100.8: Certified estimate of rate of contribution required,

accumulated contributions and other assets of System.

The State Board shall certify to the Director of the Office of

Management and Enterprise Services, the Speaker of the House of

Representatives, and the President Pro Tempore of the Senate, on or

before July 15 of each year, an actuarially determined estimate of

the rate of contribution which will be required, together with all

accumulated contributions and other assets of the System to pay by

level-dollar payments all liabilities which shall exist or accrue

pursuant to the provisions of the System, including amortization of

the unfunded accrued liability over a period of not to exceed thirty

(30) years beginning July 1, 2014.