25280000

HS code 25280000 (Chapter 25 "Salt; sulphur; earths; stone"; Heading 2528 "NATURAL BORATES AND CONCENTRATES THEREOF (WHETHER OR NOT CALCINED), BUT NOT INCLUDING BORATES SEPARATED FROM NATURAL BRINE; NATURAL BORIC ACID CONTAINING NOT MORE THAN 85% OF H3BO3 CALCULATED ON THE DRY WEIGHT"; Subheading 252800 "Natural borates and concentrates thereof (whether or not calcined), but not including borates separated from natural brine; natural boric acid containing not more than 85% of H3BO3 calculated on the dry weight") under the Vietnam tariff schedule classifies "Natural borates and concentrates thereof (whether or not calcined), but not including borates separated from natural brine; natural boric acid containing not more than 85% of H3BO3 calculated on the dry weight". Vietnam customs apply MFN rate of 4.5, Preferential rate 3. Statutory unit of measure: kg. This commodity is subject to 1 import regulation or restriction; see compliance section below. 22 free trade agreement preferential rates are available for this code.