Replace the volume number with the year

Error²Federal courts, Illinois courts21st and 22nd editions

The World Court’s reports are shelved by date, so the slot in front of “I.C.J.” or “P.C.I.J.” holds the year the volume covers rather than a running number; a span of years is a date too.¹

1. 1R. 21.5.1(c) Volume number and name of publication. Tables: R. 3.1(a) Volumes.
2. 2An error: the rule in note 1 allows one form, and this is not it.