Use the case short form

Error²Federal courts, Illinois courts21st and 22nd editions

“Supra” and “hereinafter” carry secondary authority; cases, statutes, regulations and constitutions are re-cited by their own short forms.¹

1. 1R. 4.2 “Supra” and “Hereinafter”; B4 Short Citation Forms; B11 Constitutions; B15.2 Short Form Citation.
2. 2An error: the rule in note 1 allows one form, and this is not it.