The new 21st edition of the Bluebook became available Summer 2020.
One big change is the way federal statutory code sections are cited. If you are citing to the current U.S. Code, you do not have to include a year. This is true when you are citing the official or unofficial code. HOWEVER, if you are citing to the code from Lexis or Westlaw, you must still include the currency information according to Rule 12.5.
See the Summary of Changes, below.
This LibGuide contains useful information for legal citation, some of which is not in the Bluebook itself. It includes:
This guide was originally written by Valparaiso University Law Library. It is used here with permission.
For citations to Foreign Jurisdictions see: Bluebook Table 2 Online