Originally Posted by
bmckim
Nope, no counter form needed:
[I]Go to avis.com->Customer Service (top right corner)->FAQs->USA->Reservations->Rental Policies, Terms & Conditions:
[snip]
Be careful; this is only for US/Canada. If the rental is in another location, the policies differ. Also, this is only the case if the spouse is 25+ years old.