Conn. Gen. Stat. § 45a-542l: Principal receipts.

A trustee shall allocate to principal:

(1) To the extent not allocated to income under sections 45a-542 to 45a-542ff, inclusive, assets received from a transferor during the transferor's lifetime, a decedent's estate, a trust with a terminating income interest or a payer under a contract naming the trust or its trustee as beneficiary;

(2) Money or other property received from the sale, exchange, liquidation or change in form of a principal asset, including realized profit, subject to sections 45a-542i to 45a-542w, inclusive;

(3) Amounts recovered from third parties to reimburse the trust because of disbursements described in subdivision (7) of subsection (a) of section 45a-542y or for other reasons to the extent not based on the loss of income;

(4) Proceeds of property taken by eminent domain, but a separate award made for the loss of income with respect to an accounting period during which a current income beneficiary had a mandatory income interest is income;

(5) Net income received in an accounting period during which there is no beneficiary to whom a trustee may or must distribute income; and

(6) Other receipts as provided in sections 45a-542p to 45a-542w, inclusive.