Office of Management and Budget (OMB) Circulars

Instructions or information issued by OMB to Federal agencies. These are expected to have a continuing effect of two years or more. To obtain circulars that are not available on-line, please call the Office of Management and Budget's information line at (202) 395-3080. Choose from one of two options: Circulars arrayed by numerical sequence; or Circulars indexed by major category.

http://www.whitehouse.gov/omb/circulars_default