To register with the Registry, an individual shall submit a notarized affidavit containing the following information: the individual’s current name and any previous name by which the individual was known; the individual’s address and telephone number; if the individual is a natural parent of the adoptee, the original and adopted names, if known, of the adoptee; if the individual is an adoptee who is seeking information regarding the adoptee’s natural parents, any names, if known, by which the natural parents are or were known; if the individual is an adoptee who is seeking information regarding a natural sibling, any names, if known, by which the natural sibling is or was known; if known, the place and date of birth of the adoptee; if known, the name and address of the child placement agency, if any, that placed the adoptee; if known, the names of the adoptive parents of the adoptee; the name and address of the court that issued the adoption or guardianship order; and a statement of the individual’s consent to be identified to other registrants. A registrant shall notify the Administration of changes in information occurring after the affidavit is filed. A registrant may withdraw from the Registry at any time by submitting a notarized affidavit to that effect to the Administration. The Administration shall obtain information necessary for identifying an adoptee, a natural mother of an adoptee, a natural father, or a natural sibling. The Administration may not obtain information regarding: the adoptive parents of the adoptee; a child of the adoptive parents who is not a natural sibling; or the financial status of the adoptive parents of the adoptee.