sule 66RULE 66-QUO WARRANTO. Rule 66. Literally means by what authority Quo Warranto is a special civil action to determine the rht to the use and exercise of a public office or franchise,Recovery of excess payment made to pensioners should be dealt with in accordance with Rule 66 (4) of the CCS (Pension) Rules 2021: CPAO O.M dated 05.04.2022