The report required by section 626.52, subdivision 2, shall be made forthwith by telephone or in person, and shall be promptly supplemented by letter, enclosed in a securely sealed, postpaid envelope, addressed to the sheriff of the county in which the wound is examined, dressed, or otherwise treated; except that, if the place in which the patient is treated for such injury or the patient's wound dressed or bandaged be in a city of the first, second, or third class, such report shall be made and transmitted as herein provided to the chief of police of such city instead of the sheriff. Except as otherwise provided in subdivision 2, the office of any such sheriff and of any such chief of police shall keep the report as a confidential communication and shall not disclose the name of the person making the same, and the party making the report shall not by reason thereof be subpoenaed, examined, or forced to testify in court as a consequence of having made such a report.
Upon receiving a report of a wound caused by or arising from the discharge of a firearm, the sheriff or chief of police shall forward the information contained in the report to the commissioner of health. The commissioner of health shall keep the report as a confidential communication, as provided under subdivision 1. The commissioner shall maintain a statewide, computerized record system containing summary data, as defined in section 13.02, on information received under this subdivision.