Md. Code, Family Law § 5–351

(a) Consent of a party to an adoption under this Part IV of this subtitle is not valid unless:

(1) the consent is given in a language that the party understands;

(2) if given in a language other than English, the consent:

(i) is given before a judge on the record; or

(ii) is accompanied by the affidavit of a translator stating that the translation of the document of consent is accurate;

(3) the consent names the child;

(4) the consent contains enough information to identify the prospective adoptive parent; and

(5) the party has received written notice or on-the-record notice of:

(i) the revocation provisions in this section;

(ii) the search rights of adoptees and parents under § 5-359 of this subtitle and the search rights of adoptees, parents, and siblings under Subtitle 4B of this title; and

(iii) the right to file a disclosure veto under § 5-359 of this subtitle.

(b) A guardian may revoke consent to an adoption under this Part IV of this subtitle at any time before a juvenile court enters an order of adoption under this Part IV of this subtitle.

(c) A child may revoke consent to an adoption under this Part IV of this subtitle at any time before a juvenile court enters an order of adoption under this Part IV of this subtitle.