What is the tolerance threshold under the EU-Mexico?

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

EU-Mexico - HS 23

EU-Mexico Global Agreement (FTA part)

10 RegelnToleranz: 10%2000

2301Whale meal; flours, meals and pellets of fish or of crustaceans, molluscs or other aquatic invertebrates, unfit for human consumption

Manufacture in which all the materials of chapter 2 and chapter 3 used must be wholly obtained.