Pillar means any structure, excluding glazing and the vertical portion of door window frames, but including accompanying moldings, attached components such as safety belt anchorages and coat hooks, which:
(1) Supports either a roof or any other structure (such as a roll-bar) that is above the driver's head, or
(2) Is located along the side edge of a window.


49 CFR § 571.201

Scoping language

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