Pub. L. 108-199, div. F, tit. I, sec. 174

Sec. 174. To the extent that funds provided by the Congress for the Memphis Medical Center light rail extension project through the section 5309 “new fixed guideway systems” program remain available upon the closeout of the project, Federal Transit Administration is directed to permit the Memphis Area Transit Authority to use all of those funds for planning, engineering, design, construction or acquisition projects pertaining to the Memphis Regional Rail Plan. Such funds shall remain available until expended.