Mississippi Code Title 63. Motor Vehicles and Traffic Regulations § 63-3-419

(1) Every county medical examiner or county medical examiner investigator shall, on or before the tenth day of each month, report in writing to the department the death of any person within his jurisdiction during the preceding calendar month as the result of an accident involving a motor vehicle and the circumstances of such accident.

(2) Every hospital shall notify the county medical examiner or county medical examiner investigator of the county in which the accident occurred of the death within the hospital of any person who dies as a result of injuries apparently sustained in an accident involving a motor vehicle.