21 CFR Handheld for PDA and Wireless devices. The complete and authoritative 2005 edition of Title 21 of the Code of Federal Regulations (CFR) with proposals and final rules published in the Federal Register. Content is updated regularly as released by the Government Printing Office. Need-to-know regulatory information on human drugs, biologics and medical devices as well as veterinary drugs, cosmetics and food for human consumption -- always at hand!