s 47 Further provision about tenants' energy efficiency improvements regulations
(1) Tenants' energy efficiency improvements regulations may, in particular, include provision about— (a) the form, content and service of a request under the regulations; (b) the form, content and service of any response by the landlord to a request (including the period within which any response must be given); (c) exemptions from any requirement imposed by or under the regulations; (d) evidence relating to any requirement imposed by or under the regulations. (2) Provision falling within subsection (1)(c) includes, in particular, provision about exemptions— (a) relating to any necessary permissions or consents; (b) relating to the likely negative impact on the value of a property of consenting to the request. (3) Provision falling within subsection (1)(d) includes, in particular, provision about evidence for the purpose of demonstrating— (a) an exemption from a requirement imposed by or under the regulations; (b) that a property is not one in relation to which the regulations have effect; (c) that the improvements for which consent has been requested are not relevant energy efficiency improvements within the meaning given by the regulations.