Ohio Rev. Code § 4967.20: Proof of charters not required.

In any suit brought to charge a consolidated or surviving railroad company with a liability of any company party to the consolidation or merger, it is not necessary to produce or prove:

(A) The charters of such companies;

(B) The laws of the several states under and by virtue of which such consolidation or merger was effected;

(C) The original articles of consolidation or merger.