The Netherlands’ Coffeeshop Model and the Back-Door Problem: Supply-Chain Regulations and International Law By: Rachel Caruso

Introduction

In the Netherlands, there is a legal distinction between a coffeeshop (koffieshop) and a coffeehouse (koffiehuis).[1] A coffeeshop legally sells cannabis products, and a coffeehouse sells espresso or coffee.[2] The Netherlands’ coffeeshop model is known to be paradoxical, as cannabis is illegal under the Opium Act Amendment of 1976.[3] However, under strict regulatory law, there is an exception for selling cannabis products in a coffeeshop.[4] The grey area in the Dutch law exists in tension with international drug control treaties, specifically the 1961 Single Convention on Narcotic Drugs, and local municipality rules.[5]

The Netherlands’ adopted a tolerance policy, known as geodoogbeleid, that embodies a pragmatic tolerance towards the permitted sale of cannabis under strict conditions.[6] However, the Dutch coffeeshop model faces pressure to regulate cannabis products in a non-permissive way, highlighting the structural legal issues of partial cannabis legalization.[7] The paradox that coffeeshops may lawfully sell cannabis to patrons, yet are obtaining their inventory through illegal means, illustrates a key supply chain issues: the back-door problem.[8] The back-door problem refers to the original structure of the cannabis supply chain for coffeeshops; there is a “tolerated front door” for legal sales and an “illegal back door” for sourcing illegally grown cannabis.[9] Although the Netherlands recently adopted a Controlled Cannabis Supply Chain Experiment (CCSC), seeking to shut down sourcing from illegal cannabis suppliers, its operational challenges reveal a fragmented system.[10]

This article examines three parts. Part one will provide background on the Dutch coffeeshop model and its legal framework. Part two will analyze international law tensions and the back-door problem. Part three will examine the Controlled Cannabis Supply Chain Experiment.

Part I: Background and Legal Framework

The Dutch Opium Act was introduced in 1919 and was the first set of statutory provisions on illegal drugs in the Netherlands.[11] In 1928, a provision on the import and export of cannabis was introduced subsequent to the Geneva Convention of 1925.[12] Decades later, in 1969, the Netherlands ratified the United Nations Single Convention on Narcotic Drugs 1961.[13] During the first parliamentary debate on the ratification in 1963, a Dutch legislator concluded that the Single Convention afforded national authority significant discretion to determine the appropriate punishment for narcotic drug offenses.[14] A representative questioned whether cannabis should be denied as an illicit drug, and this skepticism foreshadowed reform efforts seen in the comprehensive revision of the Opium Act in 1976.[15]

The revision of the Opium Act in 1976 rendered a distinction between “drugs presenting unacceptable risks,” such as heroin, cocaine, and amphetamines, and LSD (Schedule I), and “hemp products,” including cannabis (Schedule II).[16] The reform introduced risk-based penalties, lowering sanctions for cannabis and treating possession of up to thirty grams as a petty offense.[17] The soft-hard drug distinction reflected the policy decision to begin decriminalizing cannabis usage in the Netherlands.[18]

Notwithstanding the differentiated penalty structure introduced in 1976, cannabis remains formally prohibited under Dutch law.[19] Under Article 2a, the Opium Act declares it unlawful to export, import, prepare, process, handle, sell, deliver, transport, possess, or produce narcotic drugs, including cannabis, within the Netherlands.[20] Although limited exceptions exist for approved medicinal, veterinary, and other regulated purposes, recreational cannabis use and production remain prohibited.[21]

The creation of coffeeshops developed through prosecutorial discretion and administrative control rather than legislative legalization.[22] Geodoogbeleid, the tolerance policy, directs authorities to refrain from bringing charges against coffeeshops that comply with strict retail conditions, known as the AHOJ-G(I) Criteria.[23] The detailed conditions include placing limits on quantities sold, advertising, hard drugs, nuisance, and sales to minors.[24] The Netherlands’ created this policy to target public health and welfare and to reduce the risk of drugs in their communities.[25] Retail transactions are permitted under the Opium Act with the tolerance policy; however, cannabis cultivation, distribution, and large-scale possession remain criminal offenses.[26] There is a significant disconnect between tolerated sales and illegal supply; this is where the back-door problem flourishes.[27]

Part II: International Law Tensions and the Back-Door Problem

This supply chain issue with coffeeshops is criticized because of Netherlands’ obligations under the Single Convention on Narcotic Drugs.[28] Under this international drug control framework, the convention requires the Netherlands to limit the production, distribution, and possession of narcotic drugs to medical and scientific uses.[29] The Netherlands advocates that the Coffeeshop model is treaty-compliant because cannabis is not legalized, but is tolerated through each municipality’s enforcement discretion.[30]

While the front-door of the Coffeeshop is tolerated, cultivation and wholesale distribution remain a criminal offense under the Opium Act.[31] Due to this issue, the back-door issue engages in a tolerated market that depends on the illicit production of drugs that the Single Convention seeks to suppress.[32] This supply chain issue undermines regulatory objectives central to the Single Convention’s maintenance of international drug control.[33] Partial legalization opens the door for illegal conduct in the supply chain, weakening treaty compliance and domestic regulations.[34] Many Dutch mayors expressed their concern about this issue and have requested stronger regulations.[35]

Part III: Examination of the Controlled Cannabis Supply Chain Experiment

The Controlled Cannabis Supply Chain Experiment (CCSC) represents the Netherlands’ effort to address the concerns of the Dutch political leaders and the international community.[36] This experiment was established in 2019 with the adoption of the Experiment Closed Coffeeshop Chain Act (Wet experiment gesloten coffeeshopketen). The experiment officially began in 2020.[37] The CCSC provides authorization to specific cannabis producers to cultivate and deliver to coffeeshops in the participating municipalities, directly targeting the backdoor problem.[38]            Implementation of the CCSC occurred between 2020 and 2024 in phases that allowed coffeeshops to transition from illegal to state-licensed suppliers smoothly.[39] The participating coffeeshops are required to source their product from licensed producers, seeking to eliminate reliance on the illicit drug market.[40] This new system introduced state oversight of cultivation and product quality.[41] While this experiment is limited to participating municipalities, it showcases a departure from the prior reliance on prosecutorial discretion and the illegal drug market.[42]

Conclusion

The coffeeshop model highlights the limits of the tolerance policy when the production and supply of cannabis are criminalized. Tolerating front-door sales and prohibiting back-door suppliers created a paradoxical relationship in the Netherlands that led to contradictory regulatory law. Although the CCSC is limited, it is easing tensions by demonstrating that regulated cannabis production is feasible. Expanding licensed cultivation under strict regulation will continue to offer a better alternative to partial legalization and adherence to international drug control obligations.

[1] Ross Scully, How Are ‘Coffeeshops’ Different From ‘Coffee Shops’?, Leafly (July 28, 2020), https://www.leafly.com/news/lifestyle/coffeeshop-vs-coffee-shop-continuity-and-change.

[2] Id.

[3] Daniel Molina, The Dutch Experiment: Navigating the Transition to a Regulated Cannabis Market in the Netherlands, Vincente (Oct. 8, 2025), https://vicentellp.com/insights/the-dutch-experiment-navigating-the-transition-to-a-regulated-cannabis-market-in-the-netherlands/.

[4] Netherlands legislative overview, Norton Rose Fulbright (Feb. 2020), https://www.nortonrosefulbright.com/en/knowledge/publications/24014f2b/netherlands-legislative-overview.

[5] Christopher Gatto, European Drug Policy: Analysis and Case Studies 3-4, https://www.enjoyrolling.org/public/upload-canapateca/images/european_drug_policy.pdf (last visited December 4, 2025)

[6] Policy: Coffeeshops, Gemeente Amsterdam, https://www.leafly.com/news/lifestyle/coffeeshop-vs-coffee-shop-continuity-and-change (last visited December 4, 2025).

[7]Robert J. MacCoun, What Can We Learn from the Dutch Cannabis Coffeeshop System?, Transnat’l Inst., 2 (2011), https://www.tni.org/files/publication-downloads/what_can_we_learn_from_the_dutch_cannabis_coffeeshop_system.pdf

[8] Maarten R. Duijf & Bianca C. M. M. Hoorens, Cannabis Policy in the Netherlands: From Tolerance to Regulation?, 116 Int’l J. Drug Policy 103817, 2 (2023), https://doi.org/10.1016/j.drugpo.2022.103817.

[9] Id.

[10] Dan Molina, The Dutch Experiment: Navigating the Transition to a Regulated Cannabis Market in the Netherlands, JD Supra (Oct. 9, 2025), https://www.jdsupra.com/legalnews/the-dutch-experiment-navigating-the-4844684/.

[11] Dirk J. Korf, Cannabis Regulation in Europe: Country Report Netherlands, Transnat’l Inst. & Univ. of Amsterdam, 2 (Feb. 2019), https://www.tni.org/files/publication-downloads/cr_ned_def.pdf.

[12] Id. at 2.

[13] Id. at 2.

[14] Id. at 2.

[15] Id. at 2.

[16] Id. at 3.

[17] Id. at 3.

[18] Id. at 3.

[19] Id. at 3.

[20] Opiumwet [Opium Act], arts. 2–3 (Neth.), available at https://wetten.overheid.nl/BWBR0001941/.

[21] Id. at arts. 2a(2).

[22] Korf, Cannabis Regulation in Europe, at 5.

[23] Id. at 5.

[24] Id. at 5.

[25] Id. at 4.

[26] MacCoun, What Can We Learn from the Dutch Cannabis Coffeeshop System?, at 2.

[27] Id.

[28] Korf, Cannabis Regulation in Europe, at 2.

[29] Single Convention on Narcotic Drugs art. 4(c), Mar. 30, 1961, 520 U.N.T.S. 151.

[30] Korf, Cannabis Regulation in Europe, at 6.

[31] Id. at 15.

[32] Id. at 10.

[33] Id. at 10.

[34] Id. at 10.

[35] Id. at 10.

[36] Molina, supra note 3.

[37] Id.

[38] Id.

[39] Id.

[40] Id.

[41] Id.  

[42] Gov’t of the Neth., Background Information and Experiment Design, Controlled Cannabis Supply Chain Experiment, https://www.government.nl/topics/controlled-cannabis-supply-chain-experiment/background-information-and-experiment-design, (last visited Dec. 14, 2025).