Okla. Stat. tit. 19, § 19-31: Vote for transfer of territory

If the object sought be to transfer territory from one county to

an existing county, and if sixty percent (60%) of the votes cast at

said election vote "Yes", the Governor shall within ten (10) days

after declaring the result of said election issue his proclamation

calling an election to be held in the county to which said territory

is sought to be transferred, which said election shall be held not

less than thirty (30) nor more than forty (40) days thereafter.