(a) Coerce any retailer to accept delivery of equipment, parts or accessories which the retailer has not ordered voluntarily, except as required by any applicable law, or unless parts or accessories are safety parts or accessories required by a supplier;
(b) Condition the sale of additional equipment to a retailer on a requirement that the retailer also purchase other goods or services, except that a supplier may require the retailer to purchase those parts reasonably necessary to maintain the quality of operation in the field of the equipment used in the trade area;
(c) Coerce a retailer into refusing to purchase equipment manufactured by another supplier;
(d) Terminate, cancel or fail to renew or substantially change the competitive circumstances of the retail agreement based on the results of a natural disaster, including a sustained drought or high unemployment in the dealership market area, labor dispute or other similar circumstances beyond the retailer’s control.