20 (d) the information in the certificate is accurate, unless it has stated in the certificate, or incorporated by reference in the certificate a statement, that the accuracy of specified information is not confirmed; and (e) it has no knowledge of any material fact which would, if it had been included in the certificate, adversely affect the reliability of the representations in paragraphs (a) to (d). (3) Where there is a certification practice statement which has been incorporated by reference in the certificate, or of which the person relying on it has notice, subsection (2) shall apply to the extent that the representations are not inconsistent with the certification practice statement. 28. Suspension of certificate A certification authority shall, unless it has otherwise agreed with the subscriber, immediately suspend a certificate which it has issued to the subscriber upon a request by - 29. (a) the subscriber referred to in the certificate; or (b) a person duly authorised to act on behalf of the subscriber. Revocation of certificate A certification authority shall revoke a certificate upon receiving a request to the effect by the subscriber referred to in the certificate after confirming that the person making the request is the subscriber, or is an agent of the subscriber with authority to make the request. 30. Revocation without subscriber's consent (1) A certification authority shall, without the consent of the subscriber, revoke a certificate where – (a) a material fact represented in the certificate is false; (b) a requirement for the issue of the certificate was not satisfied; (c) the certification authority's private key or trustworthy system is compromised in a manner materially affecting the certificate's reliability; (d) an individual subscriber is dead; or