105 C.M.R. 335.200
Before rabies post-exposure prophylaxis is provided, or prior to paying for such treatment, the health care provider responsible for administering rabies post-exposure prophylaxis shall certify in writing to the board of health the name and address of the patient; description of the exposure and the circumstances surrounding it, the location where the bite or exposure occurred, and the animal species responsible for the exposure by identification or description.