* Heavy trucks (Gross Vehicle Weight Rating or GVWR over 10,000 lbs) manufactured after September 1, 1993, must have driver and passenger airbags.
* All buses manufactured after January 1, 1998, must have driver and passenger airbags.
* Vans and cargo vans with a GVWR of less than 10,000 lbs manufactured after September 1, 2002, must have driver and front-passenger airbags.
* Vans and cargo vans with a GVWR of 10,000 lbs or more manufactured after September 1, 2002, must have driver and passenger airbags.
Please note that these requirements are general guidelines and may vary based on specific vehicle types, regulations, and jurisdictions. It's important to refer to the specific regulations in your region or consult with the relevant transportation authority for the most accurate information.