If you have a statute and want to locate regulations promulgated under that statute, there are a couple of ways that you can do this.
If you have a citation for a particular regulation you can locate it by:
If you have a topic and want to locate federal regulations related to that topic:
WestlawNext: On the home screen choose the "Federal Materials" tab. From this tab you can select the CFR or FR to search.
Lexis Advance: Under "Explore Content" select "Administrative Codes & Regulations" and enter your key terms. After searching you can limit your results to the CFR or FR on the left side of the screen under "Source."
Bloomberg Law: Under "Getting Started" choose "Federal Law" and then "Federal Regulatory & Administrative." From this screen you can search the CFR and FR together or select one to search.