Conn. Gen. Stat. § 46b-545: Declaration regarding identity disclosure.

(a) A gamete bank or fertility clinic operating in this state that collects gametes from a donor shall: (1) Provide the donor with information in a record about the donor's choice regarding identity disclosure; and (2) obtain a declaration from the donor regarding identity disclosure.

(b) A gamete bank or fertility clinic operating in this state shall give a donor the choice to sign a declaration, attested by a notarial officer or witnessed, that either: (1) States that the donor agrees to disclose the donor's identity to a child conceived by assisted reproduction with the donor's gametes on request once the child attains eighteen years of age; or (2) states that the donor shall not agree presently to disclose the donor's identity to the child.

(c) A gamete bank or fertility clinic operating in this state shall permit a donor who has signed a declaration under subdivision (2) of subsection (b) of this section to withdraw the declaration at any time by signing a declaration under subdivision (1) of subsection (b) of this section.