[Code of Federal Regulations] [Title 23, Volume 1] [Revised as of April 1, 2002] From the U.S. Government Printing Office via GPO Access [CITE: 23CFR661.21] [Page 322] TITLE 23--HIGHWAYS CHAPTER I--FEDERAL HIGHWAY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION PART 661--INDIAN RESERVATION ROAD BRIDGE PROGRAM--Table of Contents Sec. 661.21 How long will these funds be available? The statute provides that the funds for each fiscal year are available for the year authorized plus three years (a total of four years).