http://www.legislation.gov.uk/asc/2026/5/section/22Building Safety (Wales) Act 2026enStatute Law Database2026-06-22Expert Participation2026-04-28 PART 1SAFETY OF BUILDINGS CONTAINING TWO OR MORE RESIDENTIAL UNITSCHAPTER 3REGISTRATION OF CATEGORY 1 BUILDINGS AND CATEGORY 2 BUILDINGSNotification of changes and revision of registerRevision of register following notification of change 22 1 This section applies if the principal accountable person for a registered category 1 building or a registered category 2 building notifies the building safety authority for the building of a change under section 21(1). 2 The authority must decide whether to revise the entry for the building in its register. 3 The authority must give the principal accountable person notice of its decision before the end of 21 days beginning with the day after the day on which the authority is notified of the change under section 21(1). 4 If the authority decides to revise the entry for the building in the register, the notice must set out the revision made. 5 If the authority decides not to revise the entry for the building in the register, the notice must include information about the right of review under section 64. S. 22 not in force at Royal Assent, see s. 138(2)