Abbreviate the agency's name

Warning²Federal courts, Illinois courts21st and 22nd editions

An agency named in a case's date parenthetical is abbreviated with the same table entries as any other institutional name in a citation, not a shortening the writer chose.¹

1. 1R. 14.3.3 Issuing Agency. Tables: R. 15.1(e) Abbreviations; R. 15.1(d) Abbreviations; T6 Case Names and Institutional Authors in Citations; T10 Geographical Terms; T1.2 Federal Administrative and Executive Materials.
2. 2A warning: the form is usually wrong under the rule in note 1, and context can justify it.