http://www.legislation.gov.uk/asc/2026/5/section/20Building 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 BUILDINGSRequirement to register and registration procedureRegistration procedure 20 1 The building safety authority for a category 1 building or a category 2 building must register the building if the principal accountable person for the building has— a made an application to register the building that complies with regulations made under subsection (3), and b paid the fee (if any) required by regulations made under section 125. 2 The building safety authority must not register the building if the principal accountable person has not paid the fee (if any) required by regulations made under section 125. 3 The Welsh Ministers‍ must by regulations make provision about— a how an application to register the building must be made; b the form and content of an application‍. 4 Regulations under subsection (3) may make provision about the documents (if any) that must be included with an application. 5 If the building safety authority registers the building, it must give the principal accountable person a notice confirming that the building is registered. 6 The notice must include— a the date of registration, b the registration number given to the building, c the category of the building (see section 6) and information about the right of review under section 64, and d information about how the principal accountable person may obtain a copy of the entry in the register for the building. 7 If the building safety authority does not register the building, it must give the principal accountable person a notice confirming that the building is not registered. 8 The notice must include— a the reasons for the building not being registered, and b information about the right of review under section 64. 9 The building safety authority must give a notice under subsection (5) or (7) before the end of 21 days beginning with the day after the day on which the application to register is received by the authority. S. 20 not in force at Royal Assent, see s. 138(2)