Okla. Stat. tit. 62, § 351
It shall be unlawful for any board of county commissioners, city council or city commissioners, town council, township board, school district board, board of education or any other officer of any such municipal corporations, or any officer of any other political corporation, or subdivision of this state, to sell, agree to sell or contract to sell any bonds issued by a vote of the people for any sum less than par with accrued interest added, and any and all Commission allowed any firm, person or corporation for the sale of such bonds must, after being deducted from the sum total for which said bonds are sold, leave in the treasury the sum equal to the par value and accrued interest thereof.
Laws 1913, SB 36, c. 165, c. 379, § 1.