republic-os/legislation/us/states/co/2017a/hb-17-1221.md

---
type: "Bill"
title: "Grey And Black Market Marijuana Enforcement Efforts"
description: "Committee on Cost-benefit Analysis of Legalized Marijuana in Colorado. The state constitution grants a person the authority to assist another person in cultivating medical and recreational marijuana plants. The bill states that a person is not in compliance with the authority to assist another individual and is subject to marijuana cultivation criminal offenses and penalties if the person possesses any marijuana plant that he or she is growing on behalf of another individual, unless he or she is the primary caregiver for the individual and is in compliance with the requirements of section 25-1.5-106."
jurisdiction: "us/states/co"
legislature: "Colorado General Assembly"
session: "2017A"
identifier: "HB 17-1221"
citation: "Colorado HB 17-1221 (2017A)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Dan Pabon", "Irene Aguilar", "John Cooke", "Yeulin Willett"]
version_count: 13
action_count: 15
vote_count: 7
first_action: "2017-03-02T07:00:00+00:00"
last_action: "2017-06-08T06:00:00+00:00"
source: "openstates"
source_identifier: "ocd-bill/9d59bcc4-dec7-483a-a955-ff7dd0224098"
source_url: "http://leg.colorado.gov/bills/hb17-1221"
source_hash: "c49d1ba2fa8f1024281887322268a4c7da7aa1713b0be016fb13e3419d83ade5"
vintage: "2026-07-01"
source_snapshot: "https://data.openstates.org/daily/2026-07-01/public.pgdump"
retrieved_at: "2026-07-06"
confidence: "reported"
tags: ["legislation", "bill", "us-co"]
---

# Colorado HB 17-1221 (2017A) — Grey And Black Market Marijuana Enforcement Efforts

Committee on Cost-benefit Analysis of Legalized Marijuana in Colorado. The state constitution grants a person the authority to assist another person in cultivating medical and recreational marijuana plants. The bill states that a person is not in compliance with the authority to assist another individual and is subject to marijuana cultivation criminal offenses and penalties if the person possesses any marijuana plant that he or she is growing on behalf of another individual, unless he or she is the primary caregiver for the individual and is in compliance with the requirements of section 25-1.5-106.

## Version chain

The bill's text revisions, in order — the diff chain from filing to enrollment.

1. **Amendment L.002** (committee substitute) — [source](http://coga.prod.acquia-sites.com/sites/default/files/html-attachments/h_fin_2017a_20170306t134245z1__hearing_summary/17HouseFin0306AttachU.pdf)
2. **Amendment L.006** (committee substitute) — [source](http://coga.prod.acquia-sites.com/sites/default/files/html-attachments/h_fin_2017a_20170306t134245z1__hearing_summary/17HouseFin0306AttachW.pdf)
3. **Amendment L.007** (committee substitute) — [source](http://coga.prod.acquia-sites.com/sites/default/files/html-attachments/h_fin_2017a_20170306t134245z1__hearing_summary/17HouseFin0306AttachV.pdf)
4. **Committee Amendment** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2017a/bills/cr/2017a_hb1221_s_app_002.pdf)
5. **Engrossed (03/13/2017)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2017A/bills/2017a_1221_eng.pdf)
6. **Final Act (05/01/2017)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2017A/bills/2017a_1221_enr.pdf)
7. **Introduced (03/02/2017)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2017A/bills/2017a_1221_01.pdf)
8. **PA1 (03/07/2017)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2017A/bills/2017a_1221fin_01.pdf)
9. **PA2 (03/09/2017)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2017A/bills/2017a_1221app.pdf)
10. **Reengrossed (03/14/2017)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2017A/bills/2017a_1221_ren.pdf)
11. **Rerevised (04/10/2017)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2017A/bills/2017a_1221_rer.pdf)
12. **Revised (04/07/2017)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2017A/bills/2017a_1221_rev.pdf)
13. **Signed Act (06/08/2017)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2017A/bills/2017a_1221_signed.pdf)

## Votes

- Refer House Bill 17-1221, as amended, to the Committee of the Whole. The motion passed on a vote of 11-2. — **11–2** (pass) · legislature
- Adopt amendment L.002 (Attachment U). The motion passed without objection. — **13–0** (pass) · legislature
- Adopt amendment j.001 The motion passed on a vote of 11-2. — **11–2** (pass) · legislature
- COW unamended. The motion passed on a vote of 7-0. — **7–0** (pass) · legislature
- Refer House Bill 17-1221, as amended, to the Committee on Appropriations. The motion passed on a vote of 12-1. — **12–1** (pass) · legislature
- Refer House Bill 17-1221 to the Committee on Appropriations. The motion passed on a vote of 5-0. — **5–0** (pass) · legislature
- Adopt amendment L.007 (Attachment V). The motion passed without objection. — **0–0** (pass) · legislature

## Sponsors

- Dan Pabon — primary (person)
- Irene Aguilar — primary (person)
- John Cooke — primary (person)
- Yeulin Willett — primary (person)

## Timeline

The legislative action history — every referral, reading, and vote.

- **2017-06-08T06:00:00+00:00** Governor Signed `executive-signature`
- **2017-05-02T06:00:00+00:00** Sent to the Governor `executive-receipt`
- **2017-05-01T06:00:00+00:00** Signed by the President of the Senate
- **2017-05-01T06:00:00+00:00** Signed by the Speaker of the House
- **2017-04-10T06:00:00+00:00** Senate Third Reading Passed - No Amendments `reading-3, passage`
- **2017-04-07T06:00:00+00:00** Senate Second Reading Special Order - Passed - No Amendments
- **2017-04-06T06:00:00+00:00** Senate Committee on Appropriations Refer Unamended - Consent Calendar to Senate Committee of the Whole `committee-passage`
- **2017-03-22T06:00:00+00:00** Senate Committee on Judiciary Refer Unamended to Appropriations `referral-committee`
- **2017-03-21T06:00:00+00:00** Introduced In Senate - Assigned to Judiciary `introduction`
- **2017-03-14T06:00:00+00:00** House Third Reading Passed - No Amendments `reading-3, passage`
- **2017-03-13T06:00:00+00:00** House Second Reading Passed with Amendments - Committee `reading-2`
- **2017-03-10T07:00:00+00:00** House Second Reading Laid Over to 03/13/2017 - No Amendments
- **2017-03-08T07:00:00+00:00** House Committee on Appropriations Refer Amended to House Committee of the Whole `referral-committee, committee-passage`
- **2017-03-06T07:00:00+00:00** House Committee on Finance Refer Amended to Appropriations `referral-committee`
- **2017-03-02T07:00:00+00:00** Introduced In House - Assigned to Finance + Appropriations `introduction`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/9d59bcc4-dec7-483a-a955-ff7dd0224098`. Confidence: reported (aggregated from official Colorado legislature records).