Okla. Stat. tit. 62 § 884
Pursuant to the provisions of Section 6C of Article X of the Oklahoma Constitution, a municipality or county may provide an exemption from ad valorem taxes in a housing reinvestment district pursuant to the provisions of this act. A school district or taxing entity other than a municipality or county may provide an exemption from ad valorem taxes in a housing reinvestment district pursuant to the provisions of this act through a contractual arrangement with the municipal or county governing body. The loss of revenue to a school district from any such exemption from ad valorem taxes shall be borne by the school district and such exempted revenue shall be treated as being received by the school district for purposes of computation of the school district's state aid pursuant to the provisions of Article 18 of Title 70 of the Oklahoma Statutes.
Okla. Stat. tit. 62, § 884