Section 185.25 - Special referendum - producer petition1. Upon receipt of a petition not less than one hundred fifty nor more than two hundred forty days from a four-year anniversary of the effective date of an initial promotional order signed within that same period by a number of producers equal to or greater than one percent of the number of producers reported in the most recent United States census of agriculture, requesting a referendum to determine whether to extend the promotional order, the secretary shall call a referendum to be conducted not earlier than thirty days before the four-year anniversary date. If the secretary determines that extension of the promotional order is not favored by a majority of the producers voting in the referendum, the promotional order shall be terminated as provided in section 185.24. If the promotional order is terminated, another referendum shall not be held within one hundred eighty days. A succeeding referendum shall be called by the secretary upon the petition of a number of producers equal to or greater than one percent of the number of producers reported in the most recent United States census of agriculture requesting a referendum, who shall guarantee the costs of the referendum.2. If no valid petition is received by the secretary within the time period described in subsection 1, or if a petition is received but the referendum to extend the promotional order passes, the promotional order shall continue in effect for four additional years from the anniversary of its effective date.