Section 113 of the Principal Act is amended by omitting subsections (3) and (4) and substituting the following subsections:(3) A permit authority is to issue a certificate of completion (plumbing work) if (a) the authority (i) is satisfied, after inspection, that the completed plumbing work complies with the Plumbing Regulations; or(ii) accepts a certificate from a plumber certifying that the plumbing work complies with the Plumbing Regulations; and(b) where required under the Water and Sewerage Industry Act 2008 , a certificate of water and sewerage compliance (plumbing) has been issued under section 56TD of that Act in relation to the plumbing work.(4) The permit authority is to refuse to issue a certificate of completion (plumbing work) if (a) it is not satisfied that the plumbing work complies with the Plumbing Regulations; or(b) it is satisfied that a certificate of water and sewerage compliance (plumbing) has been refused under section 56TD of the Water and Sewerage Industry Act 2008 in relation to the plumbing work.