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 64

EU-South Korea Free Trade Agreement

2 RegelnToleranz: 10%2011

6401-6405Footwear, gaiters and the like; parts of such articles

CTH

Manufacture from materials of any heading, except from assemblies of uppers affixed to inner soles or to other sole components of heading 6406.

ODER - alternative Regel

MaxNOM

Manufacture in which the value of all the materials used does not exceed 50% of the ex-works price of the product.

50% ex-works