Ohio Rev. Code Ann. § 147.39

Any acknowledgment or proof of execution of a deed, mortgage, lease, power of attorney, or other instrument that was taken, and any other notarial act that was performed, by a commissioned officer in active service with the armed forces of the United States for a person who was a member of the armed forces of the United States, for a person who was accompanying the armed forces of the United States, or for a person who was a dependent of either such category of persons, and that was taken or performed between January 1, 1941, and January 1, 1974, in conformity with the provisions of a prior statute that then was in effect is as valid as if the acknowledgment, proof of execution, or other notarial act was performed in conformity with the provisions of sections 147.51 to 147.58 of the Revised Code.