Mont. Code Ann. § 81-4-401
Horses, cattle, mules, sheep, llamas, alpacas, bison, goats, or swine may not be allowed to run at large in any incorporated city or town.
History: En. Sec. 1, Ch. 65, L. 1917; re-en. Sec. 3401, R.C.M. 1921; re-en. Sec. 3401, R.C.M. 1935; R.C.M. 1947, 46-1714; amd. Sec. 14, Ch. 166, L. 1989; amd. Sec. 9, Ch. 417, L. 1993.