...check out this guide to U.S. federal government information.

The Federal Register is the official daily publication for rules, proposed rules, and notices of Federal agencies and organizations. It also includes executive orders and other presidential documents.

Three different .gov sites presenting Federal Register information:

Federal Register: unofficial XML-based prototype of the daily Federal Register, organized and displayed in an easier to read format. Includes web tools and user aids designed to make it easier to understand and participate in the regulatory process.

Regulations.gov Find, review, and submit comments on Federal documents that are open for comment and published in the Federal Register.

Federal Register (official version, 1994-current, Government Printing Office)

For more in-depth information about regulatory research, please see this guide to "Rules and Regulations".