Mont. Code Ann. § 67-1-303
Airline property tax -- state airports
67-1-303 . Airline property tax -- state airports. (1) Within 30 days of receipt, the county treasurer shall transmit to the department of revenue 90% of the property tax collected on property of airline companies by reason of a state airport being located in the county.
(2) The department of revenue shall place the money in the aeronautics operations account provided for in 67-1-308 for the purposes provided for in 67-1-301 (3)(a).