Or. R. App. P. 11.22
As amended through June 11, 2024
A memorandum longer than 20 pages, exclusive of appendices and exhibits, in support of or in opposition to a petition invoking the Supreme Court's original jurisdiction in a mandamus, habeas corpus, or quo warranto case, or any other original proceeding in the Supreme Court shall contain an index of contents, an index of appendices or exhibits, and an index of authorities, each with page references.
See ORAP 5.35.
Or. R. App. P. 11.22