Declaration of use of substances known as drug precursors in the composition of drugs (Form 16340*01)

Directorate General of Customs and Indirect Taxes - Cerfa n° 16340*01

When substances are detained by Customs, a form to be completed and given to the customs officers carrying out the inspection.

Go to the online administrative form

Verified 10 June 2024 - Directorate for Legal and Administrative Information (Prime Minister)

For details, please use the practical information sheets :

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