Remove the year from the parenthetical

Warning²Federal courts, Illinois courts21st and 22nd editions

An I.C.J. or P.C.I.J. citation whose date parenthetical repeats the year the volume already carries, where the parenthetical gives the month and the day alone.¹

1. 1R. 21.5.1(e) Date; R. 21.5.1(c) Volume number and name of publication.
2. 2A warning: the form is usually wrong under the rule in note 1, and context can justify it.