https://jsfiddle.net/coav7zmp/
Why Landlords Need a Gas Safety Certificate All landlords are required to ensure that their properties have an official Gas Safety Certificate. This certificate shows that a certified engineer has examined all of the gas appliances and flues in the home, and that they are safe to use. All Gas Safe engineers carry a photo identification card which you should request to see prior to any work that is completed at your home. This card confirms that the engineer is registered on the Gas Safe Register. Safety Certificates Gas safety certificates, sometimes refe