What is the tolerance threshold under the EEA/EFTA?

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

EEA/EFTA - HS 88

European Economic Area (EEA) Agreement / EFTA

1 RegelnToleranz: 10%1994

8800-8899Aircraft, spacecraft, and parts thereof

CTH

Manufacture from materials of any heading, except that of the product.

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