Conn. Gen. Stat. § 45a-786: When fiduciary is personally chargeable for assets distributed to a beneficiary or heir.

No fiduciary shall be personally chargeable for any assets that a fiduciary may have distributed to any beneficiary or heir when it is determined after the fiduciary made distributions that a child born after the death of the decedent, as provided in subsection (a) of section 45a-785, is entitled to property from the estate, unless: (1) In accordance with the requirements of subsection (b) of section 45a-785, the surviving spouse of the decedent provided the fiduciary with a copy of a document executed by the decedent in accordance with the requirements of subsection (a) of section 45a-785, (2) the fiduciary had actual knowledge at the time of the distributions that the decedent, during his or her lifetime, preserved sperm or eggs or executed a document described in subsection (a) of section 45a-785, or (3) not later than one hundred fifty days after the date of the appointment of the first fiduciary, a person acting on behalf of the child provided written notice to the fiduciary that a child meeting the requirements of subsection (a) of section 45a-785 has been or may be conceived.