(A) The area inside the corporate boundaries of the town comprises its territorial jurisdiction, except to the extent that a statute expressly authorizes the town to exercise a power in areas outside its corporate boundaries.
(B) The town has exclusive jurisdiction over bridges (subject to I.C. 8-16-3-1), streets, alleys, sidewalks, watercourses, sewers, drains, and public grounds inside its corporate boundaries, unless a statute provides otherwise.
(C) Whenever a statute authorizes the town to exercise a power in areas outside its corporate boundaries, the power may be exercised:
(1) Inside the corporate boundaries of another municipality if the town and the other municipality enter into an agreement under I.C. 36-1-7; or
(2) In a county other than this county, but not inside the corporate boundaries of another municipality, if the town and the other county by ordinance enter into an agreement under I.C. 36-1-7.
(1985 Code, § 105-20)