I wanted to talk to you today about how to fill out a purchase contract. Recording a land contract ensures the buyer's interest in the property is made public and legally protected.Ohio law requires certain documents like deeds, longterm leases and vehicle titles to be notarized. Instructions for filling out deeds. How to fill out the deed forms from the Franklin County Law Library: 1) Read the entire form carefully. Be aware that, within 20 days of signing the agreement, you must file a record of the land contract in the office where the property is located. Exempt or Conveyance form filled out. Information about the following can be obtained in the Mahoning County Recorder's.