| 280 / | HD | LAND VEHICLES |
| 29 | DF | WHEELED {21} |
| 727 | DF | .~ Attachment {22} |
| 728.1 | DF | .~.~ Inflatable passenger restraint or confinement (e.g., air bag) or attachment {12} |
| 730.1 | ![]() | .~.~.~ Inflated confinement specially positioned relative to occupant or conforming to the body shape of occupant {1} |
| 730.2 | DF | .~.~.~.~> Mounted in vehicle and positioned laterally of occupant |