As of April 1, 1987 Title 26 Parts 40 to 299, Revised as of April 1, 1986 Title 26, Parts 40 to 49 Title 26, Parts 50 to 299 U.S. GOVERNMENT PRINTING OFFICE WASHINGTON: 1987 For sale by the Superintendent of Documents, U.S. Government Printing Office, Washington, D.C. 20402 |