IRRBP funds are authorized at the start of each fiscal year but are subject to Office of Management and Budget apportionment before they become available to FHWA for further distribution.

Terms Used In 23 CFR 661.11

  • Fiscal year: The fiscal year is the accounting period for the government. For the federal government, this begins on October 1 and ends on September 30. The fiscal year is designated by the calendar year in which it ends; for example, fiscal year 2006 begins on October 1, 2005 and ends on September 30, 2006.