Therefore it has permanent reference value. Access is through several indexes, tables, and computer databases. Subject arrangement of fifty titles somewhat analogous to the U.S. Code, though they do not always match. Within each title, regulations are arranged by agency, rather than subject. Chapters are divided into parts, each representing an agency's regs on a particular topic or agency function.
Sections are simple presentations of single propositions.
Currently the CFR consists of about 200 volumes, which are revised on a quarterly basis. Titles 1-16 contain regs in force as of January 1. Titles 17-27 contain regs in force as of April 1. Titles 28-41 contain regs in force as of July 1. Titles 42-50 contain regs in force as of October 1.