CBP CROSS rulings for HS 3811.21
1 rulings ·newest issued 2010-08-01 ·window 2026-10-12
Every US Customs (CROSS) classification ruling in our current extract that cites HS subheading 3811.21, listed newest first. Classification practice for one product family often turns on wording applied to sibling headings — compare adjacent rulings before concluding.
| Ruling | Issued | Subject | Status |
|---|---|---|---|
| HQ N115659 | 2010-08-01 | The tariff classification of Lubrizol® 3140J | Active |
Primary sources: CBP CROSS. Each ruling page carries its own retrieval timestamp and link back to the original notice.