Mont. Code Ann. § 7-6-2217

In any county where aid is received from the reconstruction finance corporation or any other similar agencies, the county commissioners of such county shall be authorized to employ the necessary help and incur such expenses as are necessary in the administration of such relief; and in so doing the board may appropriate such funds as are necessary from the general fund of said county. Such appropriation shall be held and deemed legal and valid notwithstanding the provisions of the budget act.