<p>Ofgem are responsible for enforcing supplier licence conditions. Tenants should take a meter reading as soon as they move into a property. Customers will not be responsible for energy bills with incorrect meter readings and can request a new bill from their supplier if they have been billed incorrectly.</p><p> </p><p>Residential tenants are responsible for paying energy bills from the start date of their tenancy only. For non-domestic tenants, Ofgem's recent non-domestic market review found some issues with changing of tenancies, including debt repayment issues from previous tenants. The Retail Energy Code Company is working on new rules in this area.</p>