sule 66Rule 66.1: Application of the Civil Procedure Rules: Rule 66.2: Action on behalf of the Crown: Rule 66.3: Counterclaims, other additional claims, and set-off: Rule 66.4:Rule 66 Quo Warranto - Free download as Word Doc (.doc .docx), PDF File (.pdf), Text File (.txt) or read on for free. An action for quo warranto is used to challenge a person's claim to a public office or position. It determines the