Okla. Stat. tit. 62, § 62-310.4: Unexpended balances of fiscal year available until

September 30th - Notice to present claims.

All unencumbered balances, if any, as shown by the officer

charged with keeping the appropriation and expenditure records of

the county, city, or town on hand at the close of day June 30, may

remain as a credit for said fiscal year up to the close of day

September 30, next. Said officer charged with keeping the

appropriation and expenditure records of the county, city, or town

shall at any time during the month of July advertise in a newspaper

of general circulation in the county and shall cause to be published

for two (2) consecutive times if in a daily newspaper and once if in

a weekly newspaper, notice in the following form:

PUBLIC NOTICE

All persons having an indebtedness or claim against ________

_________________________________________________________________

County, City, or Town

are hereby notified that all invoices and documentation pertaining

to said purchase order or contract must be recorded in the office of

_____________ Clerk on or before September 30, 20___, covering all

debts now unpaid and incurred during the period beginning on July 1,

20___, and ending on June 30, 20___, or said account shall be void

and forever barred.

_____________________________________

Clerk or Encumbering Officer

Provided this act shall not be so construed to allow the incurring

of a new indebtedness after June 30 chargeable to the appropriation

account of the immediately preceding fiscal year.