It is hereby made the duty of every officer authorized to allow, issue, draw or attest any warrant or certificate of indebtedness against the public funds of any county, city, town, township, or any other subdivision of the county, to issue, draw and record all warrants, bonds and interest coupons, in an orderly numerical system established by the county, city, town, or township. The items shall be designated by writing the fiscal year on the warrant or certificate of indebtedness for which the levy to pay the same has been made.
Okla. Stat. tit. 62, § 472