Application of regulations 20, 27, 29, 37, 41, 42, 43 and 44 of the Building Regulations
32. For regulation 20(1) and the preceding heading, substitute—
“Application of regulations 20, 25A, 27, 29, 37, 41, 42, 43 and 44 of the Principal Regulations
20.—(1) Regulations 20 (provisions applicable to self-certification schemes), 25A (consideration of high-efficiency alternative systems for new buildings), 27 (CO2 emission rate calculations), 29 (energy performance certificates), 37 (wholesome water consumption calculation), 41 (sound insulation testing), 42 (mechanical ventilation air flow rate testing), 43 (pressure testing) and 44 (commissioning) of the Principal Regulations apply in relation to building work which is the subject of an initial notice as if references to the local authority were references to the approved inspector.”.