9.—(1) A relevant person is not required to comply with regulation 5 of the Principal Regulations as amended by these Regulations until 6 December 2025(1).
(2) For the purposes of paragraph (1), a relevant person is a testing service provider who is accredited to either ISO 15189:2012 or both ISO Standards 15189:2012 and 22870:2016.
(3) A relevant applicant is not required to comply with regulation 5 of the Principal Regulations as amended by these Regulations until the date calculated in accordance with regulation 6(6B)(b) of the Principal Regulations.
(4) For the purposes of paragraph (3), a relevant applicant is a person who, prior to 1 January 2024, has made an application in accordance with regulation 6 of the Principal Regulations and is not yet accredited.
See https://www.ukas.com/resources/technical-bulletins/iso-151892022-transition-process-guidance/ for the transition process to the updated ISO Standard 15189:2022.