Regulation 27 is amended by omitting subregulation (2) and substituting the following subregulation:
“(2) Noise being emitted from a sole occupancy unit that is—
(a) a Crown lease in a building consisting of other Crown leases, whether or not separated by a common boundary; or
(b) a unit on the same units plan; or
(c) on a Crown lease having a common wall with a sole occupancy unit on another Crown lease;
is taken to cause environmental harm—
(d) in another sole occupancy unit of that kind in that building or on that units plan; or
(e) in a sole occupancy unit on the other Crown lease mentioned in paragraph (c);
if the noise level at any point within that other unit exceeds 5 dB(A) below the zone noise standard in respect of the period during which the noise is emitted.”.