WAC 296-307-08003. Agricultural tractors covered by this section

All agricultural tractors manufactured after October 25, 1976, must meet the requirements of WAC 296-307-080 . An agricultural tractor manufactured on or before October 25, 1976, must meet the requirements of WAC 296-307-080 if: (1) The tractor was built or sold with rollover protective structures (ROPS) as an optional accessory; or (2) According to the manufacturer, the tractor was designed to accommodate the addition of ROPS.