The Ohio Division of Real Estate has approved an updated version of the Ohio Real Property Disclosure Form (RPDF) which became effective June 1, 2022. Ohio disclosure law requires sellers to disclose only those material defects or other information that they actually know about.The law in question is Ohio Revised Code Section 5302.30. It is indeed entitled "Property disclosure form required for all residential real estate transfers." A residential property disclosure (RPD) is required for MOST sellers of residential real estate in the state of Ohio. The Ohio Disclosure Form serves as a vital communication tool between the seller and potential buyer of a residential property, detailing the condition. Bob Kutschbach, owner and broker of Carleton Realty, talks about the residential property disclosure and who needs to fill it out. Ohio Real Estate Disclosure Laws. According to state law, sellers (including investors) are required to complete the Residential Property Disclosure form. Edit, sign, and share Residential property disclosure form ohio fillable online.