Okla. Stat. tit. 11 § 27-113
Except as otherwise provided for by law, the code of procedure in the municipal court shall be the same as is provided for by law for the trial of misdemeanors. The court shall take judicial notice of state statutes and the ordinances of the municipality in which it is located. Writs and processes of the court may be issued by the judge or clerk thereof to any proper officer. All writs and processes of the municipal court in which a violation of a municipal ordinance is charged shall be directed to the chief of police of the municipality, a county sheriff, or to some other appropriate peace officer. A law enforcement officer of the municipality or county sheriff may serve an arrest warrant issued by the municipal court any place within this state. If the warrant is served by a county sheriff, the municipality shall pay the Sheriff's Service Fee Account a fee of Twenty Dollars ($20.00).
Okla. Stat. tit. 11, § 27-113