(a) Except as provided in subsection (c) of this section, if parental rights were terminated on or after October 1, 1995, any information tending to identify the adult adopted or adoptable person, a biological parent, including a person claiming to be the father who was not a party to the proceedings for the termination of parental rights, or adult biological sibling shall not be disclosed unless written consent is obtained from the person whose identity is being requested.

(b) (1) Except as provided in subsection (c) of this section, if parental rights were terminated on or before September 30, 1995, (A) any information tending to identify the biological parents, including a person claiming to be the father who was not a party to the proceedings for the termination of parental rights, shall not be disclosed unless written consent is obtained from each biological parent who was party to such proceedings, except as provided in subdivision (2) of this subsection, and (B) identifying information shall not be disclosed to a biological parent, including a person claiming to be the father who was not a party to the proceedings for the termination of parental rights, without the written consent of each biological parent who was a party to such proceedings and the consent of the adult adopted or adoptable person whose identity is being requested.

(2) Except as provided in subsection (c) of this section, on and after October 1, 2009, information tending to identify a biological parent who is subject to this subsection may be disclosed to an authorized applicant if the biological parent whose information is to be disclosed provides written consent, provided the child-placing agency or department attempts to determine the whereabouts of the other biological parent and obtain written consent from such other biological parent to permit disclosure of such information in the manner permitted under subdivision (1) of this subsection. If such other biological parent cannot be located or does not provide such written consent, information tending to identify the biological parent who has provided written consent may be disclosed to an authorized applicant, provided: (A) Information tending to identify the other biological parent shall not be disclosed without the written consent of the other biological parent, and (B) the biological parent whose information is to be disclosed signs an affidavit that such parent shall not disclose any information tending to identify the other biological parent without the written consent of the other biological parent.

(c) Regardless of the date parental rights were terminated, on or after July 1, 2021, the registrar of vital statistics of the municipality of an adopted person’s birth shall, not later than thirty days after a written request, issue an uncertified copy of an original birth certificate to such adopted person if he or she is eighteen years of age or older and the subject of such birth certificate, or to such adopted person’s child or grandchild, in accordance with the provisions of § 7-53.

(d) If the whereabouts of any person whose identity is being sought are unknown, the court shall appoint a guardian ad litem pursuant to subsection (c) of § 45a-753.

(e) When the authorized applicant requesting identifying information has contact with a biological sibling who is a minor, identifying information shall not be disclosed unless consent is obtained from the adoptive parents or guardian or guardian ad litem of the sibling.

(f) Any information tending to identify any adult relative other than a biological parent shall not be disclosed unless written consent is obtained from such adult relative. The consent of any biological parents common to the person making the request and the person to be identified shall be required unless (1) the parental rights of such parents have been terminated and not reinstated, guardianship has been removed and not reinstated or custody has been removed and not reinstated with respect to such adult relative or (2) the adoption was finalized on or after June 12, 1984. No consent shall be required if the person to be identified is deceased. If the person to be identified is deceased, the information that may be released shall be limited as provided in subsection (e) of § 45a-753.

(g) Any adult person for whom there is only removal of custody or removal of guardianship as specified in subsection (b) of § 45a-750 may apply in person or in writing to the child-placing agency, the department, the court of probate or the superior court that has the information. Such information shall be made available within sixty days of receipt of such request unless the child-placing agency, department or court notifies the person requesting the information that it cannot be made available within sixty days and states the reason for the delay. If the person making such request is a resident of this state and it appears that counseling is advisable with release of the information, the child-placing agency or department may request that the person appear for an interview. If the person making such request is not a resident of this state, and if it appears that counseling is advisable with release of the information, the child-placing agency, department or court may refer the person to an out-of-state agency or appropriate governmental agency or department, approved by the department or accredited by the Child Welfare League of America, the National Conference of Catholic Charities, the Family Services Association of America or the Council on Accreditation of Services of Families and Children. If an out-of-state referral is made, the information shall be released to the out-of-state child-placing agency or department for release to the applicant, provided such information shall not be released unless the out-of-state child-placing agency or department is satisfied as to the identity of the person.