Originally Posted by LantanaTX
I am pretty sure there is a law at least in the USA that a car manufacturer must continue to supply replacement parts for a least ten years after the car is sold.
a quick Google found this on cars.com
Can I Still Get Parts for My Car?
Spare parts should be available even if your car company shuts down. That's because replacement parts can be refurbished or salvaged from older models, and new parts can be built by other companies.
A 1975 law called the Magnuson-Moss Warranty Act created a more competitive auto parts industry by allowing the use of unbranded, generic spare parts over "genuine" parts in warranty repairs.
Today, many manufacturers buy "genuine" replacement parts from the same subcontractors that make generic ones, according to the Insurance Information Institute. That means that even if your automaker goes out of business, it won't necessary affect the availability of parts for your car.
"If the cars are still out on the road, there will still be demand to build spare parts," Mikelic said.
full article here
What if My Dealer, Automaker or Bank Goes Bankrupt? - Cars.com
i know it doesn't really address if "the law" exists, but other than posting the ten year thing, no one else has really looked into it either.