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Error²Federal courts, Illinois courts21st and 22nd editions

The U.N. Charter and the League of Nations Covenant are cited by the instrument's own name, followed straight away by the subdivision, with no punctuation between the two.¹

1. 1R. 21.8 League of Nations; R. 21.4 Treaties and Other International Agreements; R. 21.7.10 U.N. Charter; T16 Subdivisions.
2. 2An error: the rule in note 1 allows one form, and this is not it.