Ohio Rev. Code Ann. § 169.13
(A)
(B) An agreement entered into any time after such two-year period is valid only if all of the following conditions are met:
(2) The agreement is in writing, signed by the owner, and notarized and discloses all of the following items:
(4) If the agreement involves recovery of the contents of a safe deposit box, the agreement stipulates that the person receiving any fee, compensation, commission, or other remuneration for engaging in any activity for the purpose of locating, delivering, recovering, or assisting in the recovery of unclaimed funds or other items stored in a safe deposit box on behalf of any other person shall do all of the following: