The provisions of the Oklahoma Housing Reinvestment Program Act shall cease to be effective January 1, 2013; provided, any exemption granted pursuant to the Oklahoma Housing Reinvestment Program Act prior to January 1, 2013, which will extend for a period of time after such date shall remain eligible for such exemption for the period of time and under the terms and conditions under which it was originally granted.
Okla. Stat. tit. 62, § 887