Okla. Stat. tit. 26, § 26-13-107: Maps to be provided

It shall be the mandatory duty of the governing board of each

municipality to provide to the county election board or boards of

the county or counties wherein said municipality is located a

current map of said municipality. Said map must clearly define the

municipal limits and ward boundaries of said municipality. Should

any changes be made in the municipal limits or ward boundaries of

any municipality, the governing board of said municipality shall

immediately provide the appropriate county election board or boards

with a complete revised map of the municipality.