Implements in England and Wales articles 7 (energy performance certificates), 9 (air-conditioning system inspections) and 10 (energy assessors) of the Energy Performance of Buildings Directive, which lays down requirements for the production of energy performance certificates when buildings are constructed, sold or rented out, display of certificates in large public buildings, and regular inspections of air-conditioning systems. Part 2 of these regulations implements articles 7(1) and (2) of the Directive, and requires the production of energy performance certificates when buildings are constructed, sold or rented out. Part 3 implements article 7(3) of the Directive. In particular, occupiers of large buildings occupied by public authorities and by institutions providing public services. Part 4 implements article 9 of the Directive. In particular, the person who has control of the operation of an air-conditioning system with an "effective rated output". Part 5 implements article 10 of the Directive. Energy assessors who produce certificates or inspect air-conditioning systems must be members of an accreditation scheme approved by the Secretary of State. Part 6 requires certain documents produced by energy assessors to be entered onto a register maintained by the Secretary of State. Part 7 deals with enforcement and makes provision for enforcement by way of civil penalties.