http://www.legislation.gov.uk/asc/2026/5/section/63Building Safety (Wales) Act 2026enStatute Law Database2026-06-22Expert Participation2026-04-28 Building Safety (Wales) Act 2026Deddf Diogelwch Adeiladau (Cymru) 2026s. 63Building Safety (Wales) Act 2026Deddf Diogelwch Adeiladau (Cymru) 2026s. 138(2) PART 1CHAPTER 9 63 1 This section sets out the meaning of key terms for the purposes of this Chapter. 2 “Reviewable decision” means— a a decision not to register a building under section 20 unless that decision was made only by virtue of section 20(2) (failure to pay fee); b a decision about the category of a building under section 20(6)(c); c a decision not to revise the entry for a building in the register under section 22; d a decision to revise the entry for a building in the register under section 23; e a decision, other than one made pursuant to an application under section 25(2), to remove a building from the register under section 26; f a decision to refuse an application for a building certificate under section 44. 3 “Affected person” means— a in relation to a decision mentioned in paragraphs (a), (b) and (e) of subsection (2), an accountable person for the category 1 building or category 2 building to which the decision relates (or a person who would be an accountable person for the building if the building were a category 1 building or a category 2 building); b in relation to a decision mentioned in paragraphs (c), (d) and (f) of subsection (2), the principal accountable person for the category 1 building or category 2 building. 4 The Welsh Ministers may by regulations— a amend the list of decisions in subsection (2) by— i adding a decision of a building safety authority, ii removing a decision, or iii varying the description of a decision; b amend the meaning of “affected person”. S. 63 not in force at Royal Assent, see s. 138(2)