Conn. Gen. Stat. § 5-236: Appointments to unclassified service. Return to classified from unclassified service.

(a) An appointing authority, in his discretion, may request from the Commissioner of Administrative Services a list of eligible candidates for a position exempt from the classified service and may appoint an employee from such a list.

(b) Any employee in the classified service who has taken or takes a position in the unclassified service and who thereafter is ready to report for duty for a position in the classified service shall be placed on a reemployment list for the appropriate class in which he has attained permanent status for future reemployment when vacancies in the class occur. The order in which names shall be placed on the reemployment list for any class shall be by seniority in state service.