Conn. Agencies Regs. § 17-227-16
Within twenty-four (24) hours of its discovery, the person in charge of the facility or his designed shall notify the department at the office of the Commissioner of the occurrence of any unusual incident as defined in these regulations. In each instance the person in charge of the facility or his designee shall also report the incident to the proper local authorities. The facility shall conduct its own investigation of the incident and make a written report thereof, a copy of which shall be sent to the department. Said written report shall contain a full description of the unusual incident, together with any other findings and any action taken by the facility or local authorities as a result of the incident.
Conn. Agencies Regs. § 17-227-16