Requires conservation districts, before developing a farm plan, to inform the landowner or operator in writing of the types of information that is subject to disclosure to the public under chapter 42.56 RCW. Before completion of the final draft of a farm plan, the district shall send the final draft farm plan to the requesting landowner or operator for verification of the information. The final farm plan shall not be disclosed by the conservation district until the requesting owner or operator confirms the information in the farm plan and a signed copy of the farm plan is received by the conservation district.