# Building Safety (Wales) Act 2026, Section 63: Review and appeal of certain decisions: key terms

Extent: E+W
Status: prospective

(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”.

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Source: https://www.legislation.gov.uk/asc/2026/5/section/63 (the official version)
Page: https://openlegislation.uk/building-safety-wales-act-2026/section-63
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.