Whether a fuel is crude, refined, agglomerated, or otherwise processed determines which SITC or HTS heading applies, which directly affects the applicable duty rate and any trade-remedy exposure. Misclassifying a refined product as crude — or vice versa — is a common compliance risk in this section.

Yes. Certain products within this section, particularly those originating from specific countries, have been subject to Section 232 national-security tariffs or antidumping/countervailing duty orders. Importers should verify current remedy status at the product and origin level before entry.