23(1)This paragraph applies if—
(a)a person dies as a result of any natural illness,
(b)the person was treated by a registered medical practitioner (“A”) within 28 days prior to the date of the person’s death,
(c)the time when (apart from this paragraph) A would be required to sign the certificate of cause of death under Article 25(2) falls within any period for which this paragraph has effect,
(d)at that time, A is unable to sign the certificate or it is impracticable for A to do so, and
(e)another registered medical practitioner (“B”) can state to the best of B’s knowledge and belief the cause of death.
(2)B may sign the certificate of cause of death under Article 25(2).
(3)B is subject to the other duties applicable to a person who has signed such a certificate.
(4)A is not subject to any duties in relation to such a certificate.