It publishes regulations chronologically. Notices of Sunshine Act meetings. The Federal Register Index is printed monthly and cumulates through the year. Arrangement is by agency, not by subject matter. CFR is the codified form of the regulations.
Codification is the process by which the regulations are arranged by subject matter.
The complete set of the CFR contains 50 titles. The titles of the CFR do not always match the titles of the US Code . The colors of the volumes change each year to avoid confusing one year's volumes with another's. Within each title of the CFR , regulations are arranged by agency. Each chapter contains the regulations of a particular agency.