the Forest Service under the State and Private Forestry appropriations: Provided further , That notwithstanding section 33 of the Bankhead Jones Farm Tenant Act (7 U.S.C. 1012), the Secretary of Agriculture, in calculating a fee for grazing on a National Grassland, may provide a credit of up to 50 percent of the calculated fee to a Grazing Association or direct permittee for a conservation practice approved by the Secretary in advance of the fiscal year in which the cost of the conservation practice is incurred. And, that the amount credited shall remain available to the Grazing Association or the direct permittee, as appropriate, in the fiscal year in which the credit is made and each fiscal year thereafter for use on the project for conservation practices approved by the Secretary. Capital improvement and maintenance (including transfer of funds) For necessary expenses of the Forest Service, not otherwise provided for, $449,000,000, to remain available through September 30, 2022, for construction, capital improvement, maintenance and acquisition of buildings and other facilities and infrastructure