Okla. Stat. tit. 62, § 62-498.1: Maximum interest rate on bonds or other obligations

issued by counties, municipalities, school districts, etc.

Bonds or other obligations of any type or character authorized

and issued by counties, municipalities, and school districts,

including, but not limited to, bonds or obligations issued pursuant

to Section 15-101 of Title 70 and Section 738 of Title 19, public

housing authorities created pursuant to the Oklahoma Housing

Authorities Act, Sections 1051 et seq. of Title 63, or port

authorities created pursuant to Section 1102 of Title 82, may bear

interest at a rate not to exceed ten percent (10%) per annum,

payable not more often than semiannually, without regard to the

limitations in any other law, general or special, except the

Constitution of Oklahoma, except that said interest rate limitations

shall not apply to any bonds or other obligations purchased by the

federal government or any agency thereof.