The Code of Federal Regulations is the codification of the general and permanent rules published in the Federal Register by the executive departments and agencies of the Federal Government.

Although easily available and searchable on-line, the CFR 21 is a vast document covering a wide range of subjects but contains no index. And sifting through the results of a simple search does not always provide the information you need in the context you need it. After years of frustration you may have tried to construct your own index, only to ha