Indiana Code Title 31. Family Law and Juvenile Law § 31-19-25.5-7

Sec. 7. (a) The adoptive parents of an adoptee who is less than twenty-one (21) years of age may submit a written request for information concerning the identity and present location of any pre-adoptive siblings of the adoptee.

(b) The state registrar shall release information concerning the name and present location of an adult pre-adoptive sibling to the adoptive parents if the pre-adoptive sibling submitted a written request under section 2 of this chapter.

(c) If a pre-adoptive sibling has not submitted a request under section 2 of this chapter, the state registrar shall do the following:

(d) If a pre-adoptive sibling is less than twenty-one (21) years of age, the state registrar shall provide information on requesting the release of adoption information under IC 31-19-24 to the adoptive parents.