O.C.G.A. § 40-13-30: Authority to make arrests.

Officers of the Georgia State Patrol and any other officer of this state or of any county or municipality thereof having authority to arrest for a criminal offense of the grade of misdemeanor shall have authority to prefer charges and bring offenders to trial under this article, provided that officers of an incorporated municipality shall have no power to make arrests beyond the corporate limits of such municipality unless such jurisdiction is given by local or other law.