Supplemental Liability Insurance (SLI) is an optional add-on that can be added when you purchase Worldwide Car Hire Excess Insurance. It tops up cover over and above the car hire company's own policy for costs you may become legally responsible to pay, such as car scratched or medical costs, deriving from an accident causing damage to someone's property or injuring someone while driving.
CarHireExcess.com provides cover for:
Third-party liability insurance may be non-existent or just the minimum required by law in countries such as USA and Canada, as well as the Caribbean, Central or South America. For this reason, it's greatly recommended that you have appropriate cover. Supplemental Liability Insurance (SLI) will indemnify you against all sums you become legally liable to pay as damages and claimants' costs in respect of bodily injury and damage to property arising out of an accident resulting from the use of a rental vehicle in or through the above mentioned countries.
This works. I use them every trip. I claimed back once for a €90 charge for a scratch on an alloy. I'm sure the alloy was fixed with the money and presented to the next customer in tip top condition, what a racket! CarHireExcess, I recommend. 5 stars. John - CarHireExcess.com Customer - 9th August 2019