(a) The certificate of death shall at least contain the items of the standard form approved by the Secretary of Health and Human Services of the United States.
(b) The personal and statistical particulars shall be authenticated by the signature of the informant, who may be any competent person acquainted with the facts. The statement of facts relating to the disposition of the body shall be signed by the undertaker or person officiating as such. The medical certificate shall be made and signed by the legally qualified physician, if any, last in attendance upon the deceased, or other local qualified physician, or by any other physician whose duty is to hold an inquest on the body of a deceased person. The cause of death shall be so stated as to show the cause of disease or sequence of causes resulting in death, and only statements declared by the Commissioner to be reliable statements of cause of death will be held sufficient for the issuance of a burial or removal permit.