Use a short form

Error²Federal courts, Illinois courts21st and 22nd editions

A constitution allows only one short form, “id.”; a foreign constitution already cited in full is re-cited by repeating its Table T2 abbreviation, never by “supra”.¹

1. 1R. 20.7(b) Constitutions. Tables: R. 4.2 “Supra” and “Hereinafter”; R. 20.2.3 Abbreviations in Languages Other than English.
2. 2An error: the rule in note 1 allows one form, and this is not it.