Every corporation or person other than a household goods carrier who knowingly and wilfully, either individually, or acting as an officer, agent, or employee of a corporation, copartnership, or any other person other than a household goods carrier, violates any provision of this chapter or fails to observe, obey, or comply with any order, decision, rule, regulation, direction, demand, or requirement of the commission, or who procures, aids, or abets any household goods carrier in its violation of this chapter, or in its failure to obey, observe, or comply with any such order, decision, rule, regulation, direction, demand, or requirement, is subject to a penalty of not more than
five hundred dollars ($500) for each offense.