Abbreviate a judge's or official's title

Warning²Federal courts, Illinois courts21st and 22nd editions

A letter or memorandum gives its writer's and addressee's title according to the tables, and a judge's or official's title takes T11's short form, such as "C.J." for "Chief Justice".¹

1. 1R. 17.2.3 Letters, Memoranda, and Press Releases. Tables: T11 Judges and Officials.
2. 2A warning: the form is usually wrong under the rule in note 1, and context can justify it.