in the special account established by section 8705(f)(1) of such Act, shall be available to cover the costs described in subsection (c)(3) of such section of such Act, and shall remain available until expended: Provided, That such amounts shall be transferred to the National Forest System account. ADMINISTRATIVE PROVISIONS—FOREST SERVICE (INCLUDING TRANSFERS OF FUNDS) Appropriations to the Forest Service for the current fiscal year shall be available for: (1) purchase of passenger motor vehicles