Mont. Code Ann. § 39-2-404
An employee shall substantially comply with all the directions of the employer concerning the service on which the employee is engaged, except when obedience is impossible or unlawful or would impose new and unreasonable burdens upon the employee.
History: En. Sec. 2676, Civ. C. 1895; re-en. Sec. 5259, Rev. C. 1907; re-en. Sec. 7774, R.C.M. 1921; Cal. Civ. C. Sec. 1981; Based on Field Civ. C. Sec. 1014; re-en. Sec. 7774, R.C.M. 1935; R.C.M. 1947, 41-207; amd. Sec. 1464, Ch. 56, L. 2009.