(a) A vehicle or combination of vehicles must stop and submit to any enforcement of commercial vehicle weight, size, load, conformation or equipment regulation when directed to do so by an "OPEN" sign displayed at a permanently established truck scale.
(b) A vehicle or combination of vehicles must stop and submit to any enforcement of commercial vehicle weight, size, load, conformation or equipment regulation when directed to do so by any sign or signal displayed or given by a police officer, motor carrier enforcement officer or weighmaster acting in accordance with authority granted under ORS 810.490.
(c) A vehicle or combination of vehicles must move into the right lane for purposes of a weight or size check when instructed to do so by a sign indicating the presence of a weigh-in-motion scale.
(d) The directions of any police officer, motor carrier enforcement officer or weighmaster that are given in accordance with authority granted under ORS 810.490 or 810.530 must be complied with.
(2) The requirement of subsection (1)(a) of this section does not apply to:
(a) An empty combination of a log truck and pole trailer if the pole trailer is bunked on the log truck and there is no other load; or
(b) A vehicle or combination of vehicles if:
(A) The normal route of the vehicle or combination of vehicles requires turning off the highway after passing the "OPEN" sign but before reaching the scale; and
(B) The vehicle or combination of vehicles is en route to a terminal or other legitimate business.
(3) Operation of any vehicle or combination of vehicles in violation of this section is prima facie evidence that the owner of such vehicle or combination caused or permitted it to be so operated and the owner shall be liable for any penalties imposed under this section.
(4) The offense described in this section, failure to comply with commercial vehicle enforcement requirements, is a Class B misdemeanor. The penalty provided under this subsection is in addition to any penalty provided for violation of any prohibition relating to vehicle weight, size, load, conformation or equipment. [1983 c.338 §533; 1985 c.393 §35; 1987 c.897 §2; 1993 c.741 §101; 1995 c.27 §1; 1995 c.101 §1; 1997 c.722 §6]