Ohio Rev. Code Ann. § 3107.47
(A) An adopted person age twenty-one or older, or an adoptive parent of an adopted person at least age eighteen but under age twenty-one, may submit a request to the department of health for a copy of the contents of the adopted person's adoption file. If the adopted person includes with the request the adopted person's notarized signature and copies of two items of identification, or the adoptive parent includes with the request the adoptive parent's notarized signature and copies of two items of identification, the department shall do the following: