Precursors for drugs

Drug precursors are raw materials for drugs. Please report unusual and/or suspicious transactions of precursors for drugs. Please use the form Melding verdachte transactie (form suspicious transaction - only available in Dutch).

The Informatieblad Drugsprecursoren (information sheet drug precursors - only available in Dutch) explains what you must and can do if you are involved in activities with these raw materials.


You can read the PDF by using Adobe Reader. You can download this programme from Adobe. The Customs Administration of the Netherlands is not responsible for the installation and use of the reader.

Instructions for completing the form

Complete the disclosure form on your computer. You will need Adobe Reader 9.0 or higher. Then:

  • print the form
  • sign the form
  • send the form to the address stated on the form

Please note!

These documents are only available in Dutch.

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