Mont. Code Ann. § 20-7-507

The trustees of any district maintaining a traffic education course shall establish a special nonbudgeted fund with the county treasurer for traffic education. All nontax receipts for traffic education must be deposited in the district's traffic education fund. The expenditure of the money deposited in the district's traffic education fund is not subject to the budgeting provisions of this title, and the money may be expended for traffic education.