A bare chassis designed for a specific truck class is classified as an incomplete vehicle under GRI 2(a), taking on the HTS classification of the complete truck it is intended to become. The duty treatment and any applicable trade-remedy exposure follow from that complete-vehicle classification, so the intended end-use must be clearly documented at entry.

The HTS uses gross vehicle weight rating (GVWR) thresholds to distinguish vehicle categories. Vehicles above certain GVWR breakpoints — generally 5 metric tons for the heaviest commercial truck headings — are classified as heavy-duty. The specific threshold matters because duty rates and trade-remedy applicability can differ between light and heavy commercial vehicles.