Okla. Stat. tit. 19, § 19-180.68: Date changes in salaries and rates of pay to take

effect.

The date on which changes in the salaries and rates of pay for

county officers and their deputies, aides and assistants under this

act due to changes in population, gross assessed valuation or both

population and gross assessed valuation in any county shall take

effect, shall be as of, on or after the first day of July based upon

the population as shown by the latest Federal Decennial Census for

the State of Oklahoma, and the total gross assessed valuations of

tangible taxable properties for such fiscal year as shown by the

official certificate which the county assessor files with the county

excise board for the purpose of computing appropriations and levies

for such current fiscal year.