To modify a Federal share for a specific project under 49 U.S.C. 5307.

Sec. . Funds apportioned to the Charleston Area Regional Transportation Authority to carry out 49 U.S.C. 5307 may be used to lease land, equipment, or facilities used in public transportation from another governmental authority in the same geographic area: Provided, That the non-Federal share under section 5307 may include revenues from the sale of advertising and concessions: Provided further, That this provision shall remain in effect until September 30, 2004, or until the Federal interest in the land, equipment, or facilities leased reached 80 percent of its fair market value at disposition, whichever occurs first.