To provide rules regarding the payment by certain political subdivisions in the State of Montana of charges imposed by the United States with respect to a hydroelectric project located in Granite and Deer Lodge Counties, Montana.

Provides that any political subdivision of the State of Montana which holds a license for the Flint Creek hydroelectric project in Granite and Deer Lodge Counties shall be relieved, for the five-year period following its acceptance of the license, from paying annual charges for the use of Federal lands lying within the boundaries of the project.

Requires such subdivision to pay an annual charge of no more than $20,000 per year after the five-year period for the use of those lands as long as it holds such license.