Conn. Gen. Stat. § 5-207: Use of classification titles and codes.

The classification titles or codes of positions in the classified service shall be used in all records and communications of the Office of Policy and Management, the Department of Administrative Services, the State Comptroller and the State Treasurer, in all estimates submitted to the General Assembly or Office of Policy and Management requesting the appropriation of money to pay for personal services, in documents or accounts relating to allotments and in all vouchers or payrolls relating to obligations for personal services.