6810.91.00

Analysis

HTS 6810.91.00 covers prefabricated structural components for building or civil engineering under heading 6810 (articles of cement, of concrete or of artificial stone, whether or not reinforced).

Neighbouring lines carry rates from duty-free to 9%, so the exact line matters. The widest gap is with 6810.19.14 (floor and wall tiles: other), at 9%: a product that belongs there but is entered here, or the reverse, changes the duty by 9 percentage points.

Goods classified here enter the United States duty-free at the general (normal trade relations) rate, as do about 60% of the 67 tariff lines in chapter 68. Duty-free at the general rate does not rule out additional duties under Chapter 99, such as Section 301 or Section 232 measures, which depend on the country of origin.

Goods from countries without normal trade relations pay the column 2 rate of 30% instead of nothing, so origin decides between free entry and a 30% duty.

Census statistics map these goods to NAICS 327390 (Other Concrete Product Manufacturing), an industry of 1,821 US establishments employing 60,671 people. That is the industry code a US manufacturer of the same product would normally use.