Ohio Rev. Code § 3127.03: Custody proceeding pertaining to Indian child.

(A) A child custody proceeding that pertains to an Indian child as defined in the Indian Child Welfare Act, 25 U.S.C. 1901 et seq., is not subject to sections 3127.01 to 3127.53 of the Revised Code to the extent that the proceeding is governed by the Indian Child Welfare Act.

(B) A court of this state shall treat a tribe as if it were a state of the United States for the purpose of applying sections 3127.01 to 3127.53 of the Revised Code.

(C) A child custody determination made by a tribe under factual circumstances in substantial conformity with the jurisdictional standards of sections 3127.01 to 3127.53 of the Revised Code shall be recognized and enforced under sections 3127.31 to 3127.47 of the Revised Code.