Okla. Stat. tit. 19, § 19-888: Equalization of assessments - Notice of meeting

On or before the 15th day of May in each year the assessor must

complete his assessment book and deliver the same to the clerk of

the board, who must immediately give notice thereof and of the time

the board of directors, acting as a board of equalization, will meet

to equalize assessments, by publication of such notice in a

newspaper published in the county for two successive weeks. The

time fixed for the meeting shall not be less than ten (10) nor more

than (20) days from the date of the first publication of the notice

and in the meantime the assessor's books shall remain in the office

of the secretary for the inspection of all persons interested.