What is the tolerance threshold under the EU-ESA EPA?

The general tolerance is 15% of the ex-works value of the finished product.

EU-ESA EPA - HS 64

EU-Eastern and Southern Africa States Interim EPA

2 reglesTolerance: 15%2012

6401-6405Footwear, gaiters and the like

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