23. The complaints procedure established and operated by a succeeding contractor under –
(a)the term of his general medical services contract which gives effect to paragraph 84 of Schedule 5 to the 2004 Regulations; or
(b)the equivalent term of the default contract,
shall apply to any complaint which a patient or former patient of the relevant medical practitioner to whom he is a succeeding contractor could have made (but did not make) on or before 31st March 2004 under paragraph 52 of Schedule 2 to the 1997 Regulations as it applies to complaints made by a patient or former patient of the succeeding contractor in relation to any matter reasonably connected with the provision of services under the contract.