Published by the Federal Register Division, National Archives and Records Service, U.S.S.D. Documents Dept. POCKET SUPPLEMENTS to this book are cumulated annually. Order from the Superintendent of Documents, United States Government Printing Office, Washington 25, D. C. UNITED STATES GOVERNMENT PRINTING OFFICE WASHINGTON: 1956 For sale by the Superintendent of Documents, U. S. Government Printing Office Preface This book contains the rules and regulations constituting Title 21, re- This book is provided with a pocket for the insertion of annual cumulative This book is published pursuant to Part 2 of the regulations of the Ad- ministrative Committee of the Federal Register, approved by the President October 11, 1948 (13 F. R. 5935; 1 CFR Part 2), under the authority con- tained in section 11 (f) of the Federal Register Act as amended (67 Stat. 388; 44 U. S. C. 311 (f)). The contents of the Federal Register and of the Code of Federal Regulations are by law prima facie evidence of the text of the original documents and are required to be judicially noticed (49 Stat. 502, 67 Stat. 388; 44 U. S. C. 307, 311 (e)). The approved citation of the Code is "CFR." Thus the citation "21 CFR 1.1" refers to Section 1.1 A General Preface to the Code of Federal Regulations appears in the volume containing Titles 1-3 and also in the General Index volume. |