INCORRECT. There is NO legal requirement to provide a ‘compliance certificate’ being something the private sector has come up with themselves, with managing agents happy to spend their clients money. While in many situations it might be ideal, or even recommended – it is NOT compulsory and a tenant cannot withhold water use payments demanding one. What IS essential is that your property is compliant (at the begining of a tenancy noting a tenant can take it upon themselves to remove flow restrictors.