These matter at inspection and resale, where an unreadable or missing label causes problems. Matched by part number and by market, because the same model carries different labels in different countries.
Tyre pressure plates, VIN and certification labels, air-conditioning information labels and warning decals. These matter at inspection and resale, where an unreadable or missing label causes paperwork problems. The same model carries different labels in different markets, so the part number is market-specific.