Road Rules of CVR MLS On-Demand Course The CVR MLS rules and regulations are intended to ensure high-quality listing data is disseminated to CVR MLS users, their clients and their customers while promoting best practices for the listing, sale and lease transactions. In this eLearning, you will learn how to avoid costly MLS violations and earn a $250 fine waiver good for one year from the date of the class. Fine waivers must be earned prior to violation notice to apply the waiver to the violation. This self-paced course offers no credit.