A "proper invoice" means one which is complete in all requirements necessary for processing it for payment in accordance with the terms of appropriate contracts and applicable state or federal statutes.
Okla. Stat. tit. 62, § 34.73
A "proper invoice" means one which is complete in all requirements necessary for processing it for payment in accordance with the terms of appropriate contracts and applicable state or federal statutes.
Okla. Stat. tit. 62, § 34.73