sule 66RULE 66 Quo Warranto - Free download as Word Doc (.doc .docx), PDF File (.pdf), Text File (.txt) or read on for free. Quo warranto is a special civil action that allows the governmentRule 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: