Why the Constitutional Court annulled the Catalan cannabis association law

The Tribunal Constitucional (Spain's Constitutional Court) annulled Law 13/2017 of the Catalan Parliament, which regulated associations of cannabis users, on the view that a region cannot set the conditions under which a controlled substance is grown and handed out: that subject falls squarely within criminal legislation, reserved exclusively to the central State. The judgment did not change what is a crime and what is not. What disappeared was the administrative framework that gave Catalan associations formal cover, so that today their activity is framed only by municipal by-laws and by the doctrine of the criminal courts.

This episode explains a good part of the current situation in Catalonia and, in particular, in Barcelona. It also explains why the word "regulated" deserves suspicion when applied to an asociación cannábica (a non-profit cannabis association): between what a region wanted to organise and what finally remained in force there is a considerable distance.

What Law 13/2017 proposed

The rule reached the Catalan Parliament through a popular legislative initiative driven by the Catalan association network itself and backed by a signature collection. Its aim was not to liberalise consumption but to bring order to what already existed: a very extensive network of associations operating without a framework of its own, with different criteria in each entity and no common reference applicable to all of them.

The law rested on powers the Catalan government does hold — associations, public health, consumer protection — and defined an association of cannabis users as a private, non-profit, closed-circuit entity. On that basis it set out, among other things:

• a specific regional register for this type of entity, separate from the general register of associations;
• access requirements: legal adulthood, evidence of prior consumption, a link with the territory and a waiting period between joining and first access;
• quantity limits per person, designed to prevent self-supply from turning into distribution;
• a ban on advertising, on recruiting members and on any pitch aimed at someone not already part of the entity;
• conditions for the premises and for shared cultivation, plus an administrative penalty regime of its own.

Much of this was not new: it took up an earlier regional health resolution that already guided Catalan associations on public-health matters, and which did not have the rank of a law.

The central government's challenge and the immediate suspension

The central government filed a constitutional challenge against the law and invoked Article 161.2 of the Constitution. That provision has an automatic effect little known outside legal circles: when the executive invokes it in challenging a regional rule, the provision is suspended from the moment the challenge is admitted, without anyone first assessing whether the challenge has merit. The Court then has a maximum of five months to lift or maintain that suspension.

The practical result was that the law barely took effect at all. The specific register never worked as a stable reference, the penalty regime was not applied and Catalan associations carried on exactly as before, this time with the added uncertainty of not knowing whether the rule protecting them would survive. By the time the judgment arrived, the sector had been working without it for months.

The division-of-powers argument in the judgment

The Court did not assess whether cannabis associations are desirable or undesirable, nor whether the Catalan model was well or badly designed. The reasoning was strictly about competence: determining who may regulate what.

The Catalan government argued that it was exercising its own powers over associations, health and consumer protection. The Court replied that the real subject matter of the rule was not associations as a legal form but the cultivation, holding and dispensing of a substance subject to official control. And that, by describing as lawful and orderly conduct whose treatment the State defines in criminal legislation, the law was intruding into territory that is not its own. Added to that, the reference framework in this field also derives from international conventions signed by the State.

It was not an isolated case. The Navarrese regional law that attempted an equivalent operation met the same fate, and for very similar reasons. The Basque regional recognition of associations of cannabis users, by contrast, did survive, because it stays within addiction policy and does not attempt to organise cultivation or supply. The comparison between these three cases is developed in the map of regional rules across the autonomous communities.

What remained standing: municipal by-laws

After the annulment, the only specific layer of rules still applying to Catalan associations was the municipal one. Town halls do not regulate substances: they regulate activities within their boundaries. And that competence, far more modest on paper, turns out to be decisive in an entity's daily life.

In Barcelona, the municipal regime has been built around the activity licence and town planning: which uses each set of premises admits, what distances must be kept from schools and from other entities of the same kind, what ventilation and soundproofing requirements apply, what can be seen from the street and on what conditions the opening of new spaces is authorised — or not. To that are added the coexistence rules, which prohibit advertising and member recruitment in public space.

These by-laws have also been litigated before the administrative courts, and their content has shifted over time. The consequence is counter-intuitive: two associations in an identical position under criminal law may find themselves in very different administrative positions depending on the municipality, the neighbourhood and the moment they obtained their licence. What that means on the ground is explained in the guide to Barcelona's associations.

What it means today for Catalan associations

With no regional law, the reference goes back to the general one: the law of associations for the legal form, the criminal code and case law for the activity, and the by-law for the premises. None of that grants an authorisation. The table below summarises the change.

For anyone considering joining, the effect shows up above all in the admission procedure. With no regional rule setting requirements, what frames those procedures is what the courts apply to shared consumption: a closed and previously identified circuit, people who already consumed, absence of profit motive, quantities matched to the members' own use, and no projection towards the outside world, which rules out both advertising and recruitment. That is where the usual steps come from — introduction by a member, an application and a waiting period — and also the features often flagged as inconsistent with that framework, collected in the review of the signs that an association is not complying.

Frequently asked questions

Is any part of Law 13/2017 still in force?

Not as an applicable rule. The Constitutional Court's judgment left Catalonia with no regional regulation of its own for associations of cannabis users. Some of its criteria survive in practice, but as self-regulation by the sector, not as a legal obligation.

Did the annulment put Catalan associations outside the law?

It did not change their legal position, because the annulled law had not altered the criminal framework either. They remain associations constituted under the general legislation, and their activity is assessed case by case according to the criteria set by case law.

Why did the Basque recognition survive?

Because it merely acknowledges that these entities exist within the region's addiction policy, without regulating cultivation or dispensing. Even so, recognition does not amount to legalisation, a nuance that is frequently lost.

Does anything change for someone who wants to join in Barcelona?

The usual procedure never depended on that law: it still runs through an introduction by a member, an application and a waiting period. What the judgment does explain is why Barcelona's associations are discreet, do not advertise and apply admission criteria of their own.