Use a short form that names the authority

Error²Law reviews21st and 22nd editions

In a manuscript’s footnotes, “id.” refers to an authority cited in its own footnote or in the note immediately before it, and only where that note cites a single authority.¹

1. 1R. 4.1 “Id.”. Tables: R. 16.9(a) Id.
2. 2An error: the rule in note 1 allows one form, and this is not it.