0579-AD06 201010 The Regulatory Plan and the Unified Agenda of Federal Regulatory and Deregulatory Actions 0579 Animal and Plant Health Inspection Service APHIS 0500 Department of Agriculture USDA Viruses, Serums, Toxins, and Analogous Products; Expiration Date Required for Serials and Subserials and Determination of Expiration Date of Product Other Significant First Time Published in The Unified Agenda Proposed Rule Stage No No 9 CFR 101 9 CFR 114 21 USC 151 to 159 No NPRM 12/00/2010 NPRM Comment Period End 02/00/2011 Additional information about APHIS and its programs is available on the Internet at http://www.aphis.usda.gov. No None No No No Albert Morgan P. 0579 Animal and Plant Health Inspection Service APHIS 301 734-8245 Unit 148, 4700 River Road, Unit 148, Riverdale MD 20737-1231