Mont. Code Ann. § 61-12-701

All fines and forfeitures collected in any court, except a justice's court, for violation of the laws and regulations relating to the use of state highways and the operation of vehicles on state highways, if the apprehension or arrest was by a highway patrol officer, must be paid to the department of revenue for credit to the state general fund or, if the apprehension or arrest was by a sheriff or deputy sheriff, must be paid to the county treasurer for deposit in the county general fund, except for that portion of the fines otherwise allocated by law, which must be paid into the appropriate accounts in the state special revenue fund.