A purchaser shall start the arbitration procedure by filing a verified complaint with the Director together with a filing fee which shall be deposited into the General Revenue Fund. The amount of the filing fee shall be set by rule. The Director shall serve a copy of the complaint upon the seller by certified mail. Except in case of seed that has not been planted, the claim shall be filed within a time that will permit effective inspection of the plants under field conditions and in no case later than 90 days after completion of harvest.