Conn. Agencies Regs. § 7-442a-3
The amount payable by the first municipality under subsection (a) of section 7-441 of the 1969 supplement to the general statutes shall not be changed by reason of such transfer. If the transfer is between a municipality participating in Fund A and one participating in Fund B, or vice versa, as soon as is practicable after such transfer, the state treasurer shall transfer to the fund in which the second municipality participates an amount of the assets of the fund in which the first municipality participates equal to the lesser of (1) and (2) as defined in section 7-442a-2. The member's contributions made before the date of transfer are deemed to be included in the foregoing amount. The member's entire retirement allowance shall be charged to the second municipality.
Conn. Agencies Regs. § 7-442a-3