Commercial weights or measures instruments or devices are exempt from the requirements of ss. 531.60-531.66 if:(1) The device is used exclusively for weighing railroad cars and is tested for accuracy and compliance with state standards by a private testing agency.(2) The device is used exclusively for measuring aviation fuel or petroleum products inspected under chapter 525.
(1) The device is used exclusively for weighing railroad cars and is tested for accuracy and compliance with state standards by a private testing agency.
(2) The device is used exclusively for measuring aviation fuel or petroleum products inspected under chapter 525.