Add the bracketed parallel citation

Warning²Federal courts, Illinois courts22nd edition only

Where a Tribal Nation prescribes its own citation format, that format is the primary citation and a parallel citation in the general Tribal form follows it in square brackets.¹

1. 1R. 22.1 Tribal Nations with an Established Citation Format; B22.1 Tribal Nations with an Established Citation Format. Tables: T1.5 Tribal Nations.
2. 2A warning: the form is usually wrong under the rule in note 1, and context can justify it.