What is the tolerance threshold under the EU-Andean?

The general tolerance is 10% of the ex-works value of the finished product.

EU-Andean - HS 79

EU-Colombia/Peru/Ecuador Trade Agreement

5 rulesTolerance: 10%2013

7901Unwrought zinc

Manufacture from materials of any heading, except that of the product. However, waste and scrap of heading 7902 may not he used.

7901Unwrought zinc

Manufacture from materials of any heading, except that of the product. However, waste and scrap of heading 7902 may not he used.