Landlord Gas Safety Pads CP12 , Pack of 50 - New Design The CP12 Landlord / Homeowner Gas Safety Record has not only been modernised but takes account of the recent changes to Landlords requirements in the Gas Safety (Installation & Use) Regulations (GSIUR) that came into effect in April 2018. The CP12 also allows for additional recording of information and readability by the user and Landlord / Homeowner. Make sure that your CP12 is the ORIGINAL CP12 that was developed by CORGI. Please be aware that you need to be Gas Safe Registered to be able to purchase this product