What is the tolerance threshold under the EU-Switzerland?

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

EU-Switzerland - HS 42

EU-Switzerland Free Trade Agreement

1 rulesTolerance: 10%1973

4200-4299Articles of leather; saddlery and harness; travel goods, handbags and similar containers; articles of animal gut (other than silk worm gut)

CTH

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

OR - alternative rule

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