What is the tolerance threshold under the EU-Tunisia?

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

EU-Tunisia - HS 58

EU-Tunisia Euro-Mediterranean Association Agreement

4 rulesTolerance: 10%1998

5801-5811Special woven fabrics; tufted textile fabrics; lace; tapestries; trimmings; embroidery ▸ Combined with rubber thread

Manufacture from single yarn. For special conditions relating to products made of a mixture of textile materials, see Introductory Note 5.