There shall be annexed to the documents referred to in Articles 15, 16, 17 and 18 -
(a) a certificate in accordance with the requirements of Part 2 of Schedule 3 and shall be in Form 23 which shall be signed by the persons required by Article 20 to sign the documents to which the certificate relates; and
(b) a certificate in accordance with the requirements of Part 3 of Schedule 3 and shall be in Form 24 which shall be signed by the appointed actuary.