Conn. Agencies Regs. § 16-1-108
The Authority shall set a time and place for a hearing concerning the investigation of the violation. It shall give the accused public service company and all other interested persons notice of the hearing in the form and manner hereinabove provided for all other hearings. Such notice shall be sent to the accused public service company with a plain and concise statement of the material facts known to the Authority that have led to the conclusion that the information known to the Authority indicates the apparent violation of such statute, regulation or order of the commissioners. Where applicable, a bill of particulars will be provided pursuant to the procedure set forth in Section 16-1-26 of the Regulations of Connecticut State Agencies.
Conn. Agencies Regs. § 16-1-108