Okla. Stat. tit. 21, § 1414

Any person mentioned in Section 1411 or 1412 of this title, who issued any second or duplicate receipt or voucher of a kind specified in those two sections, at a time while any former receipt or voucher for the merchandise specified in the second receipt is outstanding and uncancelled, without writing across the face of the same the word “Duplicate,” in a plain and legible manner, shall be guilty of a Class D1 felony offense punishable by imprisonment as provided for in subsections B through F of Section 20N of this title, or by a fine not exceeding One Thousand Dollars ($1,000.00), or both.