Within thirty (30) days of receipt of an application requesting a referendum, the commissioner shall make a determination of whether or not the petitioner is a qualified producer organization and, upon the determination, shall set a date for the referendum, which shall not be more than sixty (60) days after receipt of the application, and shall publish by any reasonable means, the date of the referendum, the polling places and the hours they will be open, the amount of the proposed assessment, and the date the assessment shall begin, if adopted.