Okla. Stat. tit. 19, § 19-1213: Hearing and determination of annexation petition

At the time and place set for the hearing and consideration of

the petition, the board of county commissioners shall ascertain

whether proper notice has been given and whether the statements

contained in the petition are true. If true, and if a majority of

the members of the board of the district to which annexation is

desired do not object to such statement, the board of county

commissioners shall enter into its minutes such findings and shall

set forth in the minutes a description of the new boundaries of such

district. Thereafter, residents within the annexed territory shall

be entitled to ambulance service.