What is the tolerance threshold under the EU-Korea FTA?

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

EU-Korea FTA - HS 79

EU-South Korea Free Trade Agreement

2 reglesTolerance: 10%2011

7901Unwrought zinc

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

7901Unwrought zinc

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