Okla. Stat. tit. 62, § 62-591: Coupon bond or coupon bonds defined

Whenever the terms "coupon bond" or "coupon bonds" appear in any

statute such terms shall mean any bond, note, or other evidence of

indebtedness of any public entity, department, public trust, or

agency, regardless of whether such instruments are in coupon,

registered, or other form. The use of the word coupon does not

limit the form of instruments authorized to be issued by such

entities. The use of the terms coupon or coupon rate or terms of

similar import shall mean interest or interest rate on bonds

regardless of the form of such bonds and shall not imply that bonds

must bear coupons.