Abbreviate the jurisdiction

Error²Federal courts, Illinois courts21st and 22nd editions

A constitution is cited by the abbreviated name of its jurisdiction, and a state takes the form table T10 prints: “Or. Const. art. IV, § 1”, not “Oregon Const. art. IV, § 1”.¹

1. 1R. 11 Constitutions. Tables: T10 Geographical Terms.
2. 2An error: the rule in note 1 allows one form, and this is not it.