Swiss cannabis law: the rules in force
The Narcotics Act is the starting point. Medical use and authorised research have separate rules.
Read moreCannabis consumption and fixed penalties
Unauthorised use of cannabis containing at least 1% THC is generally prohibited.
Context
An adult may receive a CHF 100 fixed penalty for use. The FOPH documents differences in cantonal enforcement. The underlying federal law applies nationwide.
What to check
Trial participants must follow the study rules. According to the FOPH, they cannot pass study cannabis to others or consume it in publicly accessible places.