Ohio Rev. Code § 5313.03: Biannual statements furnished to vendee.

Every vendor under a land installment contract shall, at least once a year or on demand of the vendee, but no more than twice a year, furnish a statement to the vendee showing the following:

(A) The amount credited to principal and interest;

(B) The balance due.

A land contract passbook issued by the vendor or a financial institution shall be sufficient compliance with this section.