Add the session or the year

Warning²Federal courts, Illinois courts21st and 22nd editions

A citation to a state legislative report carries the sitting that produced it and the year it was published; neither is optional, and a title or an author may be given only where the report has one.¹

1. 1R. 13.4(f) State materials. Tables: T10 Geographical Terms.
2. 2A warning: the form is usually wrong under the rule in note 1, and context can justify it.