Good luck on that one. Probably all depends on the rental companies following the law which seems some companies have it's gray areas.
You have stated more than once about Hertz including Liability with rentals, including this post from March 25.
Do they actually put this in the written/printed contract and how about the license plates, does that matter?
Been using Hertz for the last 20 years and always been satisfied both in price and service. They are one of the few that include the Liability insurance, GPS and a front window screen free with rental. Book on line and they give you a 10% discount.
