Aromatic varieties are classified under the same HTS headings as other milled rice based on grain length and milling degree, not aroma or variety name. However, premium aromatic varieties often carry origin-specific branding claims (e.g., Thai jasmine, Indian basmati) that may require country-of-origin documentation and, in some cases, certification from the exporting country's designated authority to substantiate the varietal claim.

The US maintains TRQs on certain rice categories, meaning imports within the quota volume enter at a lower in-quota duty rate, while above-quota shipments face a significantly higher rate. Importers should monitor USDA and USTR quota fill levels throughout the year and time purchase contracts accordingly, as quota exhaustion mid-year can substantially increase landed costs.