They call it the "Monroney" document, and it was first required by Congress in 1958 (and named after the sponsoring Senator). It's more popularly known as the new-car window sticker, and it's now ...
(iSeeCars) – A car’s window sticker, also known as a Monroney label or Monroney sticker, is required for every new car sold in the U.S. The “Monroney” name comes from Senator Monroney from Oklahoma, ...