This document summarizes the rules regarding certiorari, prohibition, and mandamus based on the Revised Rules of Procedure Annotated from Estopia. It outlines the requirements and procedures for filing a petition for each remedy. For certiorari, it discusses the timeline for filing, where to file, and what must be attached. It also describes the functions of certiorari and when it is the proper remedy. For prohibition and mandamus, it provides the requisites for filing a petition and outlines what actions can and cannot be remedied by each type of special civil action.