Add the title number or the provision

Warning²Federal courts, Illinois courts21st and 22nd editions

A C.F.R. citation identifies a rule by its title number and its section or part; leaving out either one names no regulation a reader can find.¹

1. 1B14 Administrative and Executive Materials; R. 14.2(a) Final rules and regulations. Tables: R. 14.1 Basic Citation Forms.
2. 2A warning: the form is usually wrong under the rule in note 1, and context can justify it.