13. Suspension of certificates. (1) A certification service provider shall maintain facilities that can receive and respond to requests for suspension of certificates at all times of the day and on all days of every year. (2) A certification service provider shall, upon receiving a valid request under paragraph (1) suspend a certificate and publish a notice of the suspension in the respective repository. (3) The subscriber identity verification method employed for suspension of certificates shall be specified in the certification practice statement. (4) Where a request for suspension is received and a certification service provider determines the revocation of the certificate would be justified in the light of all the evidence available to it, the certificate service provider may revoke the certificate. (5) A certification service provider may, regardless of the subscriber’s consent, suspend a certificate that it has issued if it has reasonable grounds to believe that the certificate is unreliable. Provided that the certification service provider shall conduct and complete its investigation into the reliability of the certificate and decide within a reasonable time whether to reinstate or revoke the certificate. (6) A certification service provider shall, within a reasonable time, terminate a suspension initiated through a request, upon discovering and confirming that the request for suspension was made without the authorization of the subscriber. (7) A certification service provider shall, after suspending a certificate, consult with the subscriber or his authorized agent on whether to reinstate or revoke the certificate. (8) The provisions of regulation 11 shall apply where the suspension of a certificate leads to the revocation of the certificate. (9) A certification service provider shall log and keep in a secure manner the date and time of all transactions relating to the suspension of certificates. (10) A party who wishes to rely on any certificate shall, before relying on a certificate, establish the status of the certificate.