Capitalize the constitution’s name

Warning²Federal courts, Illinois courts21st and 22nd editions

A constitution named in full takes a capital, as in “the Pennsylvania Constitution” and “the Constitution of France”; a back-reference naming none stays lowercase.¹

1. 1R. 8(d)(ii) Exceptions; R. 8(c)(ii) Exceptions. Tables: T10.1 U.S. States, Cities, and Territories; T2 Foreign Jurisdictions.
2. 2A warning: the form is usually wrong under the rule in note 1, and context can justify it.