Code of Federal Regulations:
Regulations are first published in the Federal Register and later appear in the Code of Federal Regulations (C.F.R.).
Cite to the Latest edition of the Code of Federal Regulatons (CFR) whenever possible:
The Code consists of "titles" indicated by title numbers 1-50. Entries are further broken down by section, indicated with the section symbol, §. *
A typical citation to the CFR begins with the title number, followed by the abbreviated reference __C.F.R.__ followed by the section and the year.
11 C.F.R. § 300.10 2011.