411.Section 225 sets out the power of the responsible medical officer to revoke a certificate granted under section 224 and have the patient returned to hospital. The responsible medical officer can do this if it is necessary in the interests of the patient or to protect any other person. As soon as practicable after revoking the certificate, the responsible medical must notify the persons listed in subsection (3). Where the certificate was granted for a period of more than 28 days, the responsible medical officer must also notify the Commission within 14 days of the certificate being revoked.