Use our quick and easy tool to find a vehicle’s CTP insurer. Select search type Find my CTP insurer Find an 'at-fault' vehicle's CTP insurer Note: Searches can only be performed for Queensland registered vehicles. Select accident date dd/mm/yyyy Enter your registration number Enter registration number of 'at-fault' vehicle Note: The 'at-fault' vehicle is the vehicle you consider caused the accident. If the 'at-fault' vehicle was registered interstate, contact the relevant interstate authority. If you don’t know the registration number of the ‘at-fault’ vehicle, contact MAIC for assistance.