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Federal Administrative Regulations

The Code of Federal Regulations (C.F.R.) is the subject organization of the federal administrative regulations.

The C.F.R. is available online from a variety of institutions, including the following:

The Office of the Federal Register revises the C.F.R. on a quarterly basis as follows:

        • Titles 1-16 -- contain regulations in force as of January 1 of the cover year
        • Titles 17-27 -- contain regulations in force as of April 1 of the cover year
        • Titles 28-41 -- contain regulations in force as of July 1 of the cover year
        • Titles 42-50 -- contain regulations in force as of October 1 of the cover year

Use the Federal Register (F.R.) to see if a regulation has been revised. The Federal Register publishes proposed and final administrative rules and regulations before they are printed in the C.F.R.

The Federal Register is available online from a variety of institutions, including the following:

For other ways to access the C.F.R. and Federal Register, including in print as well as on subscription legal databases like Lexis and Westlaw, see the Code of Federal Regulations and Federal Register guides.