Cannabis Federalism After Medical Recognition

Cannabis Federalism After Medical Recognition

Administrative Record, Rational Basis, and Vertical Separation of Powers

Jason Karimi
WeedPress White Paper No. 1
March 17 2026

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Executive Summary

Federal acknowledgment that cannabis has “currently accepted medical use” under the Controlled Substances Act (“CSA”) would not merely reclassify a substance. It would recalibrate the constitutional and evidentiary framework within which state Schedule I statutes operate. This white paper argues that cannabis reform is best understood as a federalism stress test unfolding through administrative record development, rational basis review, preemption doctrine, Dormant Commerce Clause implications, and criminal litigation posture. While courts are unlikely to invalidate state prohibitions wholesale, federal medical recognition narrows the analytical space within which categorical denial of medical use can be sustained. Structural change in this context will occur incrementally through judicial reasoning rather than dramatic constitutional rupture.

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I. Introduction: The Structural Frame

Cannabis regulation has long been narrated as cultural conflict — ballot initiatives versus legislatures, reform movements versus prohibition advocates. Yet the more enduring dimension of cannabis policy is structural.

The Controlled Substances Act defines Schedule I substances as those that have:

“(A) a high potential for abuse;
(B) no currently accepted medical use in treatment in the United States; and
(C) a lack of accepted safety for use under medical supervision.”¹

The phrase “no currently accepted medical use” is not symbolic. It is a statutory criterion embedded in federal law. If federal regulators determine that cannabis does have accepted medical use, it cannot remain in Schedule I under the statute’s own definitional structure.²

The implications extend beyond federal scheduling.

Many state controlled substances statutes mirror federal classifications, sometimes directly incorporating federal criteria. Where a state statute classifies cannabis as Schedule I based explicitly or implicitly on the absence of accepted medical use, federal acknowledgment introduces tension.

The relevant inquiry is not political alignment. It is constitutional coherence.

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II. The Controlled Substances Act: Delegation and Structure

Congress enacted the CSA in 1970 as part of a comprehensive federal drug control framework.³ The Act delegates scheduling authority to the Attorney General, who must consider eight statutory factors when determining placement or removal of substances.⁴

These factors include:

• Scientific evidence of pharmacological effect
• Current scientific knowledge
• Risk to public health
• Psychic or physiological dependence liability

The Secretary of Health and Human Services must provide scientific and medical evaluation, and those findings are binding with respect to medical and scientific matters.⁵

This structure is significant.

Scheduling under the CSA is not purely political. It is administrative, evidentiary, and grounded in delegated expertise.

Agency action under the CSA is subject to judicial review under the Administrative Procedure Act (“APA”).⁶ Courts may set aside agency action that is “arbitrary, capricious, an abuse of discretion, or otherwise not in accordance with law.”⁷

Federal scheduling decisions therefore create formal administrative records.

Those records matter.

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III. Raich and the Prohibition Baseline

In Gonzales v. Raich, the Supreme Court upheld Congress’s authority under the Commerce Clause to prohibit intrastate cultivation and possession of cannabis even where state law permitted medical use.⁸

Raich confirmed that federal prohibition could coexist with divergent state policy.

However, Raich operated under a prohibition baseline. Federal law classified cannabis as Schedule I, and that classification aligned with states that chose to prohibit.

Raich did not address the inverse scenario:

What happens when federal law acknowledges medical use and states remain categorically prohibitive?

That inversion presents a distinct structural posture.

Under federal prohibition, state prohibition enjoyed insulation. Courts could point to federal Schedule I status as evidence that categorical denial of medical use was not irrational.

If federal law acknowledges medical use, that insulation narrows.

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IV. Administrative Record as Constitutional Infrastructure

Modern administrative law centers on reasoned decision-making supported by the administrative record. In Motor Vehicle Manufacturers Association v. State Farm Mutual Automobile Insurance Co., the Court required agencies to articulate rational explanations grounded in evidence.⁹

Administrative findings become part of the legal landscape courts consider when evaluating related statutory schemes.

Federal acknowledgment of medical use would generate:

• Published scientific findings
• Formal rulemaking documentation
• Evidentiary analysis subject to judicial notice¹⁰

Courts routinely take judicial notice of federal regulations and agency determinations.¹¹

Administrative findings do not bind states automatically.

But they change the factual environment in which rational basis review operates.

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V. Judicial Review After Chevron and Loper Bright

For decades, Chevron U.S.A. Inc. v. Natural Resources Defense Council, Inc. structured judicial deference to agency statutory interpretation.¹²

In Loper Bright Enterprises v. Raimondo, the Supreme Court overruled Chevron deference, restoring independent judicial interpretation of statutory meaning.¹³

Post-Loper Bright, courts interpret statutory language independently. However, agency fact-finding remains relevant as evidentiary context.

Federal medical recognition would therefore function not as binding interpretive authority, but as a factual anchor.

Courts independently interpret “currently accepted medical use.” But they do so in a world where the federal administrative record acknowledges such use.

That shift affects reasoning even if outcomes remain deferential.

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VI. Federalism Theory: Vertical Negotiation

Federalism scholarship provides a broader theoretical frame for understanding this dynamic.

Ernest Young has described competing visions of federalism in Supreme Court jurisprudence.¹⁴ Jessica Bulman-Pozen and Heather Gerken describe “uncooperative federalism,” in which states and federal authorities interact dynamically rather than hierarchically.¹⁵

Abbe Gluck’s work on intrastatutory federalism highlights how statutory design embeds federal-state negotiation within regulatory frameworks.¹⁶

Cannabis regulation exemplifies these dynamics.

For decades:

• Federal law prohibited categorically.
• States liberalized incrementally.
• Courts tolerated divergence under Raich.

If federal law now recognizes medical use, the polarity shifts:

• Federal law becomes more permissive.
• Some states remain restrictive.
• Courts mediate divergence through rational basis and preemption doctrine.

This is federalism in motion.

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VII. The Inversion Problem

Under prohibition, federal alignment strengthened state prohibition.

Under federal medical recognition, state prohibition stands alone.

The key doctrinal question becomes:

Does categorical denial of medical use remain rational once the federal administrative record acknowledges the opposite?

The likely judicial response is continued deference.

But the reasoning required to sustain that deference becomes more complex.

That complexity marks structural change.

VIII. Rational Basis Review: Depth, Limits, and Evolution

Economic and regulatory classifications are ordinarily reviewed under the deferential rational basis standard. In FCC v. Beach Communications, Inc., the Court held that a legislative classification must be upheld if “any reasonably conceivable state of facts” could provide a rational basis.¹⁷ Courts do not require empirical precision, nor do they demand that legislatures adopt the least restrictive alternative.¹⁸

Williamson v. Lee Optical of Oklahoma reinforced that courts do not invalidate statutes merely because they appear unwise or out of step with prevailing opinion.¹⁹

Similarly, United States v. Carolene Products Co. articulated a presumption of constitutionality for economic legislation.²⁰

Under these precedents, drug scheduling classifications have historically survived rational basis scrutiny with little difficulty. Courts often cited federal Schedule I status itself as evidence that legislative classification was not arbitrary.

Federal medical recognition changes that dynamic.

The question would no longer be whether a state’s classification aligns with federal prohibition. Instead, courts would confront a situation in which federal administrative findings affirm medical legitimacy while state statutes deny it categorically.

Rational basis review remains deferential.

But it is not blind.

Even deferential review requires a plausible connection between legislative means and legitimate ends.²¹ Where statutory language embeds a factual premise—“no accepted medical use”—that premise becomes relevant to the rationality inquiry.

If federal regulators conclude cannabis has accepted medical use under supervised conditions, state legislatures must either:

1. Articulate independent factual grounds for rejecting that conclusion, or
2. Rely on generalized public health rationales unrelated to the absence of medical use.

The likely judicial outcome remains deference.

The doctrinal posture shifts from automatic validation to articulated divergence.

That shift matters.

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IX. Substantive Due Process and Legislative Fact-Finding

Substantive due process rarely invalidates economic regulation absent infringement of fundamental rights. Cannabis classification does not implicate a recognized fundamental right.

However, rational basis review has occasionally invalidated classifications where distinctions appeared wholly arbitrary or detached from legitimate purposes.²²

The Court has acknowledged that legislative judgments often depend on empirical assumptions. When those assumptions change, the constitutional analysis may evolve.²³

Federal medical recognition introduces a changed empirical landscape.

Courts will not treat federal findings as binding on state legislatures.

But they cannot ignore them.

The presence of contrary federal administrative conclusions reshapes how courts describe the rationality of categorical denial.

Constitutional doctrine evolves not only through outcomes, but through judicial language.

Acknowledgment precedes transformation.

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X. Preemption Doctrine: Express, Field, and Conflict

The CSA contains no express field preemption provision. Section 903 preserves state authority unless there is “positive conflict” between state and federal law.²⁴

Preemption analysis therefore centers on conflict and obstacle preemption.

Conflict preemption arises where compliance with both federal and state law is impossible. Obstacle preemption arises where state law stands as an obstacle to the accomplishment of federal objectives.²⁵

In Arizona v. United States, the Court reaffirmed that state law must yield where it interferes with federal purposes.²⁶

Under federal prohibition, permissive state regimes did not create impossibility conflict; individuals could comply with both by abstaining from conduct prohibited federally.

Under federal medical recognition, the analysis changes.

If federal law recognizes lawful medical use and authorizes controlled distribution, categorical state criminalization premised on absence of medical use may be framed as misaligned with federal objectives.

Courts are likely to proceed cautiously.

The CSA reflects congressional intent to allow state variation absent positive conflict.

However, federal medical recognition alters the content of federal objectives.

Where Congress delegated authority to re-evaluate medical use, and the executive branch formally acknowledges such use, the interpretive field shifts.

Preemption doctrine evolves incrementally.²⁷

Federal medical recognition introduces new arguments, not automatic outcomes.

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XI. Dormant Commerce Clause: Market Legitimacy and Constitutional Insulation

The Dormant Commerce Clause restricts state laws that discriminate against or unduly burden interstate commerce.²⁸

Cannabis markets have historically avoided full Dormant Commerce Clause scrutiny because federal law rendered cannabis commerce categorically unlawful. Courts reasoned that no protected lawful interstate market existed.

Granholm v. Heald illustrates that even heavily regulated substances such as alcohol remain subject to Dormant Commerce Clause constraints.²⁹

If federal law recognizes lawful medical channels, the premise that cannabis commerce is wholly illicit weakens.

States that impose residency restrictions or protectionist licensing regimes may face renewed constitutional scrutiny.

This does not guarantee invalidation.

It narrows doctrinal insulation.

The relevant shift is conceptual: cannabis moves from universally prohibited to partially legitimate within the federal system.

That shift affects how courts describe state regulatory authority.

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XII. Criminal Litigation: Motions Practice and Record Building

The most immediate doctrinal impact of federal medical recognition may occur in criminal proceedings.

Defendants prosecuted under state Schedule I statutes may:

• Request judicial notice of federal scheduling determinations under Federal Rule of Evidence 201.³⁰
• Challenge the rational basis of statutory language premised on absence of medical use.
• Raise as-applied constitutional arguments where medical use is documented.

Trial courts are unlikely to dismiss prosecutions wholesale. Deference to legislative classification remains strong.

However, written opinions addressing federal medical recognition will enter appellate records.

Language such as:

“Although federal law now recognizes accepted medical use, the state retains authority to classify more strictly…”

signals doctrinal evolution.

Constitutional change is often incremental.

Acknowledgment precedes transformation.

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XIII. Counterarguments: The Case for Continued State Deference

A serious structural analysis must fully engage opposing arguments.

A. State Police Powers

States retain broad authority over public health and safety. Federal law sets minimum standards but does not compel liberalization.

B. Divergent Scientific Interpretation

States may assert that federal administrative findings are persuasive but not binding. Legislatures are not constitutionally required to mirror federal conclusions.

C. Rational Basis Tolerance

Rational basis review tolerates over- and under-inclusiveness. Courts need not require perfect congruence between federal and state classifications.

D. Federalism as Pluralism

Federalism permits policy diversity. Divergence is not itself unconstitutional.

These arguments are substantial.

The likely judicial path is continued deference combined with more explicit articulation of independent state rationales.

Immediate invalidation is improbable.

Analytical recalibration is not.

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XIV. Institutional Competence and Judicial Incrementalism

Courts traditionally exercise restraint in matters involving scientific uncertainty and public health.

The judiciary’s role is not to substitute its own policy judgment, but to ensure constitutional coherence.

Federal rescheduling reflects executive branch action pursuant to congressional delegation.

State legislative responses reflect democratic processes within sovereign states.

Judicial review mediates between these branches.

Incrementalism is likely.

Structural change will manifest through reasoning rather than dramatic holdings.

XV. The Historical Evolution of “Accepted Medical Use”

The phrase “currently accepted medical use” has long occupied a contested space within the CSA. Congress did not provide an exhaustive statutory definition of the term. Instead, interpretation developed through administrative adjudication, rulemaking, and judicial review.

Historically, federal authorities interpreted “accepted medical use” to require:

• Adequate and well-controlled clinical investigations
• Demonstrable efficacy
• Widespread expert consensus
• Recognized safety under supervised conditions

These criteria emerged through administrative proceedings addressing petitions to reschedule cannabis. The operative principle was not moral condemnation, but evidentiary sufficiency.

The inclusion of the word “currently” in § 812(b)(1) is significant. It signals temporal fluidity. Congress anticipated that medical acceptance may evolve.

Thus, the statutory architecture itself contemplates change.

When federal regulators revisit scheduling determinations based on updated scientific findings, they operate within delegated authority rather than outside it. Federal medical recognition would therefore represent statutory application—not statutory amendment.

This matters because it underscores that the CSA is dynamic.

State statutes that mirror or track federal criteria exist within that dynamic ecosystem. When federal interpretation of medical acceptance changes, the interpretive baseline shifts.

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XVI. Comparative State Statutory Architecture

State controlled substances laws generally fall into three structural categories.

A. Dynamic Incorporation States

Some states automatically incorporate federal scheduling changes unless the state affirmatively rejects them. In these jurisdictions, federal rescheduling would likely cascade into state law with minimal friction.

B. Static Mirror States

Other states replicate federal scheduling categories but require independent legislative or administrative action to modify classification. These states may face temporary statutory tension if federal law changes but state law remains static.

Where statutory language explicitly references “no accepted medical use,” textual inconsistency becomes apparent once federal recognition occurs.

C. Independent Classification States

A third category maintains fully independent scheduling criteria. These states may argue that federal findings are informative but not controlling. Rational basis analysis in these jurisdictions will focus on independent state evidentiary foundations.

The greatest structural tension arises in static mirror states that embed federal definitional language without automatic incorporation.

In such jurisdictions, statutory coherence questions become more acute.

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XVI-A. Case Study: Static Mirror States and Textual Exposure

To illustrate how federal medical recognition may generate structural tension without immediate invalidation, it is useful to examine jurisdictions that maintain statutory language closely mirroring federal Schedule I criteria while not automatically incorporating federal scheduling changes.

The federal definition of Schedule I substances requires that the substance have “no currently accepted medical use in treatment in the United States.”²⁷ This definitional language is codified at 21 U.S.C. § 812(b)(1).²⁸

Several states replicate this definitional framework.

For example, Iowa classifies marijuana as a Schedule I substance under Iowa Code § 124.204(4)(m).²⁹ Iowa’s statutory structure defines Schedule I substances using language paralleling the federal standard, including the absence of accepted medical use.³⁰

Similarly, South Dakota classifies marijuana as Schedule I under S.D. Codified Laws § 34-20B-16.³¹ The definitional criteria for Schedule I substances in South Dakota incorporate the absence of accepted medical use and lack of accepted safety under medical supervision.³²

Importantly, neither Iowa nor South Dakota automatically incorporates federal scheduling changes. Cannabis remains classified as Schedule I under state law unless affirmatively amended by the legislature or appropriate state authority.

This creates a distinct form of textual exposure.

If federal regulators formally determine that cannabis has “currently accepted medical use,” the federal statutory criterion under 21 U.S.C. § 812(b)(1) would no longer support Schedule I placement at the federal level.³³

In static mirror jurisdictions such as Iowa or South Dakota, however, state statutory text may continue to assert that cannabis has “no accepted medical use.”

The constitutional issue is not automatic invalidity.

The issue is coherence.

A defendant in a criminal proceeding could argue that:

1. The state statutory definition incorporates a factual premise—absence of accepted medical use.
2. The federal administrative record now formally contradicts that premise.
3. Continued reliance on categorical denial requires independent state justification.

Under deferential rational basis review, courts are likely to uphold the statute.³⁴ But they must articulate why divergence from federal findings remains rational.

Over time, this forces judicial reasoning into one of two positions:

• The state rejects federal medical conclusions on independent grounds; or
• The statutory language is interpreted more flexibly than its plain text suggests.

Either path alters the doctrinal terrain.

This structural exposure does not depend on federal preemption. Section 903 of the CSA preserves state authority absent positive conflict. The pressure arises instead from rational basis articulation and evidentiary coherence.

The immediate result is unlikely to be invalidation.

The cumulative result may be incremental doctrinal narrowing.

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XVII. Litigation Forecasting: Temporal Phases

Constitutional doctrine evolves gradually. The impact of federal medical recognition is best understood in phases.

Short-Term (1–3 Years)

• Increased pretrial motions challenging rational basis coherence.
• Judicial acknowledgment of federal medical recognition in written opinions.
• Continued deference and affirmation of state convictions.

Medium-Term (3–7 Years)

• Accumulation of appellate opinions distinguishing federal and state rationales.
• Emergence of dissenting opinions questioning categorical denial.
• Heightened scrutiny in cases involving documented medical necessity.

Long-Term (7+ Years)

• Legislative amendments in resistant states to remove categorical “no medical use” language.
• Narrow as-applied constitutional challenges gaining traction.
• Harmonization of federal and state classifications through statutory revision rather than judicial mandate.

Immediate judicial revolution is unlikely.

Gradual doctrinal recalibration is plausible.

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XVIII. Legislative Implications

State legislatures confronted with federal medical recognition may choose among several pathways:

1. Maintain categorical Schedule I classification, relying on broad police power justifications.
2. Amend statutory language to acknowledge medical use while retaining restrictive regulatory structures.
3. Create bifurcated classification systems distinguishing medical from non-medical use.

The second pathway reduces constitutional exposure while preserving regulatory control.

Legislative clarity mitigates litigation risk.

Statutory inertia increases it.

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XIX. Prosecutorial Implications

Prosecutors operating in states maintaining categorical Schedule I language may encounter expanded motions practice.

Defendants may argue that:

• The statutory premise of “no accepted medical use” is factually obsolete.
• Judicial notice of federal administrative findings undermines categorical denial.
• Continued classification lacks rational coherence.

Trial courts are likely to reject facial challenges.

However, prosecutors may need to articulate independent state rationales rather than rely implicitly on federal alignment.

That shift increases briefing complexity.

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XX. Regulatory and Administrative Implications

State regulatory agencies may face petitions seeking rescheduling or reconsideration of classification in light of federal changes.

State administrative procedures often mirror federal APA frameworks, requiring reasoned explanation for agency decisions.

Where agencies deny rescheduling petitions, they must articulate rational grounds independent of federal findings.

Administrative record development becomes central at both federal and state levels.

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XXI. Separation of Powers and Democratic Legitimacy

Federal rescheduling reflects executive branch action pursuant to congressional delegation.

State legislative responses reflect democratic processes within sovereign states.

Judicial review mediates between these actors.

The recalibration described in this paper does not privilege federal authority over state sovereignty. It recognizes that federalism accommodates divergence but requires constitutional coherence.

Separation of powers operates vertically as well as horizontally.

When administrative findings evolve, statutory schemes must adapt or justify divergence.

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XXII. The Incremental Nature of Constitutional Change

Constitutional transformation rarely occurs through abrupt doctrinal rupture.

Instead, it proceeds through:

• Acknowledgment of factual change
• Incremental shifts in reasoning
• Accumulation of appellate language
• Narrow holdings with broader implications

Federal medical recognition introduces a new factual constant into the constitutional landscape.

Courts will initially acknowledge divergence while sustaining state authority.

Over time, reasoning may narrow the doctrinal insulation historically afforded to categorical denial.

This is structural change by accumulation.

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XXIII. Synthesis

Federal medical recognition does not mandate state legalization.

It does not automatically invalidate Schedule I prosecutions.

It does recalibrate the evidentiary and constitutional footing of categorical state prohibition.

The key structural effects include:

• Reduced reliance on federal Schedule I status as rational basis insulation.
• Introduction of obstacle preemption arguments grounded in changed federal objectives.
• Renewed Dormant Commerce Clause analysis where lawful channels expand.
• Expanded motions practice in criminal litigation.
• Legislative reconsideration in static mirror jurisdictions.

Cannabis reform thus functions as a federalism stress test unfolding through judicial reasoning rather than political spectacle.

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XXIV. Conclusion

The Controlled Substances Act anticipates change. The phrase “currently accepted medical use” embodies temporal flexibility.

If federal regulators determine that cannabis has accepted medical use, the constitutional conversation shifts.

States retain authority to regulate strictly.

Courts retain deference to legislative judgment.

But the analytical space within which categorical denial of medical use can be sustained narrows.

The durability of state prohibition will depend increasingly on independent justification rather than inherited federal alignment.

Cannabis reform is not merely cultural realignment.

It is structural federalism in motion.

The next phase will unfold not in headlines, but in written opinions.

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Selected Authorities & Notes (Consolidated)
1. 21 U.S.C. § 812(b)(1).
2. Id.
3. 21 U.S.C. § 811(b).
4. 5 U.S.C. § 706(2)(A).
5. Motor Vehicle Mfrs. Ass’n v. State Farm Mut. Auto. Ins. Co., 463 U.S. 29 (1983).
6. Pub. L. No. 91-513, 84 Stat. 1236 (1970).
7. 21 U.S.C. § 811(c).
8. 21 U.S.C. § 811(b).
9. 5 U.S.C. § 706(2)(A).
10. Gonzales v. Raich, 545 U.S. 1 (2005).
11. State Farm, 463 U.S. 29.
12. Chevron U.S.A. Inc. v. NRDC, 467 U.S. 837 (1984).
13. Loper Bright Enters. v. Raimondo, 144 S. Ct. 2244 (2024).
14. Fed. R. Evid. 201.
15. FCC v. Beach Commc’ns, Inc., 508 U.S. 307 (1993).
16. Id. at 313.
17. Williamson v. Lee Optical of Okla., 348 U.S. 483 (1955).
18. United States v. Carolene Prods. Co., 304 U.S. 144 (1938).
19. Ernest A. Young, The Rehnquist Court’s Two Federalisms, 83 Tex. L. Rev. 1 (2004).
20. Jessica Bulman-Pozen & Heather K. Gerken, Uncooperative Federalism, 118 Yale L.J. 1256 (2009).
21. Abbe R. Gluck, Intrastatutory Federalism, 121 Yale L.J. 534 (2011).
22. 21 U.S.C. § 903.
23. Arizona v. United States, 567 U.S. 387 (2012).
24. Caleb Nelson, Preemption, 86 Va. L. Rev. 225 (2000).
25. Granholm v. Heald, 544 U.S. 460 (2005).
26. See Fed. R. Evid. 201 (judicial notice of adjudicative facts, including federal regulations).
27. 21 U.S.C. § 812(b)(1) (defining Schedule I substances as having “no currently accepted medical use”).
28. Id.
29. Iowa Code § 124.204(4)(m) (listing marijuana as Schedule I).
30. Iowa Code § 124.101(20) (defining Schedule I substances, including absence of accepted medical use).
31. S.D. Codified Laws § 34-20B-16 (listing marijuana as Schedule I).
32. S.D. Codified Laws § 34-20B-1(26) (defining Schedule I criteria).
33. 21 U.S.C. § 812(b)(1).
34. FCC v. Beach Commc’ns, Inc., 508 U.S. 307, 313 (1993).

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How to Cite

White Paper

Jason Karimi, Cannabis Federalism After Medical Recognition: Administrative Record, Rational Basis, and Vertical Separation of Powers, WeedPress White Paper No. 1 (Mar. 17, 2026).

Short form:

Karimi, Cannabis Federalism After Medical Recognition, WeedPress White Paper No. 1 (2026).

WeedPress Policy Series and White Papers are archival publications intended for citation in litigation, academic scholarship, and legislative analysis.

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A state-level companion analysis examining South Dakota’s legislative architecture will follow and be available March 24, 2026.