Regulations.gov is an electronic source providing access to make or view comments. In addition, Regulations.gov provides access to information regarding the status of changes to regulations and to the
The e-CFR. as noted on the website, is "a currently updated version" of the Code of Federal Regulations (CFR). It is NOT an "official legal edition" of the CFR.
The Federal Register and the Code of Federal Regulations (CFR) are available via a number of commercial databases. HeinOnline provides access to the Federal Register from inception in 1936 thru 2018. The CFR is available from 1938 through the present.
Both the Federal Register and the CFR are accessible and searchable via ProQuest Congressional.