Add the missing citation element

Error²Federal courts, Illinois courts21st and 22nd editions

A Law of the Sea Tribunal decision cited to the Tribunal's own reports names the case number, then the kind of ruling with its date, then the volume in front of the reports.¹

1. 1R. 21.5.6 International Tribunal for the Law of the Sea.
2. 2An error: the rule in note 1 allows one form, and this is not it.