This information all so applies to those with minis that pull the big trailers, Very informative article, and from a reliable source...Read the whole article, it is the law, and anyone who doubts it and gets pulled over, WILL be shut down on the spot until someone with a CDL can come drive your rig...I don't mean to scare anyone, just trying to make everyone aware of the LAW pertaining to horse trailers, and the vehicles that pull them...don't think because you don't have a dually, you are safe...not necessarily so...but the article will clear up a lot...Good reading....
UPDATE: You May Need A Commercial Driver's License - GoHorseShow.com
http://gohorseshow.com/article.cfm?articleID=34603
UPDATE: You May Need A Commercial Driver's License - GoHorseShow.com
http://gohorseshow.com/article.cfm?articleID=34603