| 280 / | HD | LAND VEHICLES |
| 29 | DF | WHEELED {21} |
| 727 | DF | .~ Attachment {22} |
| 801.1 | DF | .~.~ Safety belt or harness (e.g., lap belt or shoulder harness) {6} |
| 802 | DF | .~.~.~ Passive restraint system {2} |
| 803 | ![]() | .~.~.~.~ Having belt retractor mounted on vehicle closure |