1. Examine the regulation in the most current C.F.R. volume. Note the date of revision on the front cover.
2. Consult the most recent monthly List of C.F.R. Sections Affected (L.S.A.) pamphlet to see if your section is listed. If there has been a change, there will be a reference to page numbers in the Federal Register. You will need to cover the time period from step (1) to the most recent L.S.A. pamphlet. Note that December, March, June, and September issues cumulate changes for one entire year for particular titles, so you should only have to check a few pamphlets.
3. Consult the latest issue of the month of the Federal Register for each complete month since the month on the cover of the most recent L.S.A. pamphlet. Check the C.F.R. PARTS AFFECTED [month] table near the back of the issue. Do NOT make the mistake of consulting the C.F.R. PARTS AFFECTED IN THIS ISSUE table located near the front of each Federal Register issue.
4. Finally, consult the most recent issue of the Federal Register available and check the C.F.R. PARTS AFFECTED DURING [month] table, located at the end of the issue. This table cumulates through the month. Note the date of the issue.
5. If there has been a change to the regulation, the reference to the Federal Register where the change can be found will be listed.
Updating Online using FDsys
1. Note the date of revision for your CFR section:
Titles 1-16 are revised as of January 1
Titles 17-27 are revised as of April 1
Titles 28-41 are revised as of July 1
Titles 42-50 are revised as of October 1
You need to update from the year of the CFR that you are using.
2. Check the CFR Parts Affected from the Federal Register. The address is:
3. In the pull down menu "Browse by Date" select the range of dates you need to update.
4. If there has been a change to the regulation, the reference to the Federal Register where the change can be found will be listed.