Conn. Agencies Regs. § 14-15-7
(a) An authorized leasing company shall maintain the following records at its place of business in Connecticut, or if such company has more than one place of business at a designated place of business in Connecticut, for a period of no less than three (3) years after a transfer of registration in accordance with sections 14-15-4 to 14-15-9, inclusive, of the Regulations of Connecticut State Agencies, and for a period of at least one (1) year after the expiration of a lease of a vehicle involved in a transfer of registration in accordance with sections 14-15-4 to 14-15-9, inclusive, of the Regulations of Connecticut State Agencies:
(Effective February 4, 1992; Amended June 1, 2015)