: 1 EXPLANATION This Pocket Supplement contains in full text the changes and additions to Titles 47 and 48 of the Code of Federal Regulations, which were published in the FEDERAL REGISTER during 1954-1956, and which were in force and effect on December 31, 1956. Amendatory documents which were promulgated during any part of this period, but which were not in effect on December 31, 1956, are not carried in full text. Citations to such documents are carried in notes entitled "Prior Amendments.” All documents directly affecting Titles 47 and 48 issued during 1954-1956 are tabulated in the "List of Sections Affected" appearing at the end of this Pocket Supplement. Citations of authority have been supplied only for those sections not covered by the authority cited in the Code. Dates appearing in citations of source are dates of publication in the FEDERAL REGISTER, and should not be construed as effective dates. This Pocket Supplement was compiled and edited by the Federal Register Division, National Archives and Records Service, General Services Administration. UNITED STATES GOVERNMENT PRINTING OFFICE WASHINGTON: 1957 For sale by the Superintendent of Documents, U. S. Government Printing Office Price $2.75 |