Abbreviate the words still spelled out

Warning²Federal courts, Illinois courts21st and 22nd editions

Where part of a speaker’s title or institution is abbreviated and the rest is not, the remaining words are abbreviated too — “Fed. Election Comm’n”, not “Fed. Election Commission”.¹

1. 1R. 17.2.6 Speeches and Addresses. Tables: T6 Case Names and Institutional Authors in Citations; T10 Geographical Terms.
2. 2A warning: the form is usually wrong under the rule in note 1, and context can justify it.