Article 33/4.

The Government of Flanders can make compulsory the issue of a receipt for the delivery of asbestos-containing household waste to a natural person or legal person who, in accordance with Article 11, holds a permit for the disposal of the waste or to a registered waste trader or broker as stated in Article 13. 

The Government of Flanders can lay down further rules regarding the content and the issue of the proof of delivery, stated in the first paragraph.