(a) The person operates or owns and causes or permits to be operated a school bus or school activity vehicle in a manner that is in violation of any standards and rules applicable to the vehicle that are adopted under ORS 820.100 to 820.120;
(b) The person owns or leases and causes or permits to be operated for school purposes a school bus or school activity vehicle containing more passengers than the vehicle is designed to transport; or
(c) The person operates or owns and causes or permits to be operated a school bus manufactured before April 1, 1977.
(2) A person is not in violation of subsection (1)(b) of this section if a bus or vehicle contains more passengers than it is designed to transport due to unforeseen or unusual circumstances.
(3) The offense described in this section, unsafe school vehicle operation, is a Class B traffic violation. [1985 c.420 §4; 1991 c.392 §1; 1995 c.383 §100; 2007 c.632 §2; 2013 c.768 §154b]