(1) Conform more nearly to commercial or trade requirements, practices or methods;
(2) Meet changed conditions;
(3) Comply with new and improved methods of handling, processing, packing, transporting, marketing or using the product involved;
(4) Apply or make effective any new and improved method of test, analysis or examination of the quality or condition of that product or the value or suitability of the product for its normal use; and
(5) Comply with new methods of controlling insect pests and diseases. [Formerly 616.420; 2003 c.602 §4]