---
type: "Bill"
title: "Adds provisions relating medical marijuana and other controlled substances."
description: "Adds provisions relating medical marijuana and other controlled substances."
jurisdiction: "us/states/mo"
legislature: "Missouri General Assembly"
session: "2020"
identifier: "HB 1896"
citation: "Missouri HB 1896 (2020)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Roberts, Lane"]
version_count: 20
action_count: 62
vote_count: 11
first_action: "2019-12-23T06:00:00+00:00"
last_action: "2020-07-13T05:00:00+00:00"
source: "openstates"
source_identifier: "ocd-bill/8862210e-8329-40b4-830d-2459bd6ae314"
source_url: "http://www.house.mo.gov/BillActions.aspx?bill=HB1896&year=2020&code=R"
source_hash: "e2500d613afad0c663b531b1435904b841c5cd622826bb8690bac5f0688cde0b"
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-mo"]
---

# Missouri HB 1896 (2020) — Adds provisions relating medical marijuana and other controlled substances.

## Version chain

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

1. **Introduced** (filed) — [source](http://www.house.mo.gov/billtracking/bills201/hlrbillspdf/4303H.01I.pdf)
2. **Amendment 4303H03.01H (Adopted)** (committee substitute) — [source](http://www.house.mo.gov/billtracking/bills201/amendpdf/4303H03.01H.pdf)
3. **Amendment 4303H03.07H (Defeated)** (committee substitute) — [source](http://www.house.mo.gov/billtracking/bills201/amendpdf/4303H03.07H.pdf)
4. **Amendment 4303H03.10H (Distributed)** (committee substitute) — [source](http://www.house.mo.gov/billtracking/bills201/amendpdf/4303H03.10H.pdf)
5. **Amendment 4303H03.11H (Adopted)** (committee substitute) — [source](http://www.house.mo.gov/billtracking/bills201/amendpdf/4303H03.11H.pdf)
6. **Amendment 4303H03.13H (Adopted)** (committee substitute) — [source](http://www.house.mo.gov/billtracking/bills201/amendpdf/4303H03.13H.pdf)
7. **Amendment 4303H03.14H (Defeated)** (committee substitute) — [source](http://www.house.mo.gov/billtracking/bills201/amendpdf/4303H03.14H.pdf)
8. **Amendment 4303H03.16H (Defeated)** (committee substitute) — [source](http://www.house.mo.gov/billtracking/bills201/amendpdf/4303H03.16H.pdf)
9. **Amendment 4303H03.17H (Distributed)** (committee substitute) — [source](http://www.house.mo.gov/billtracking/bills201/amendpdf/4303H03.17H.pdf)
10. **Amendment 4303H03.18H (Distributed)** (committee substitute) — [source](http://www.house.mo.gov/billtracking/bills201/amendpdf/4303H03.18H.pdf)
11. **Amendment 4303H03.19H (Adopted)** (committee substitute) — [source](http://www.house.mo.gov/billtracking/bills201/amendpdf/4303H03.19H.pdf)
12. **Amendment 4303H03.20H (Distributed)** (committee substitute) — [source](http://www.house.mo.gov/billtracking/bills201/amendpdf/4303H03.20H.pdf)
13. **Amendment 4303H03.22H (Adopted)** (committee substitute) — [source](http://www.house.mo.gov/billtracking/bills201/amendpdf/4303H03.22H.pdf)
14. **Amendment 4303S07.01F (Distributed)** (committee substitute) — [source](http://www.house.mo.gov/billtracking/bills201/amendpdf/4303S07.01F.pdf)
15. **Amendment R** (committee substitute) — [source](http://www.house.mo.gov/billtracking/bills201/rollcalls/028.009.pdf)
16. **Committee** (committee substitute) — [source](http://www.house.mo.gov/billtracking/bills201/hlrbillspdf/4303H.03C.pdf)
17. **Perfected** (committee substitute) — [source](http://www.house.mo.gov/billtracking/bills201/hlrbillspdf/4303H.03P.pdf)
18. **Senate Comm Sub** (committee substitute) — [source](http://www.house.mo.gov/billtracking/bills201/hlrbillspdf/4303S.06C.pdf)
19. **Senate Substitute** (committee substitute) — [source](http://www.house.mo.gov/billtracking/bills201/hlrbillspdf/4303S.07F.pdf)
20. **Truly Agreed** (committee substitute) — [source](http://www.house.mo.gov/billtracking/bills201/hlrbillspdf/4303S.07T.pdf)

## Votes

- HCS Reported Do Pass (H) - — **pass** (pass) · lower
- Emergency Clause Adopted (H) - — **pass** (pass) · lower
- Third Read and Passed (H) - — **pass** (pass) · lower
- Reported Do Pass (H) - — **pass** (pass) · lower
- Reported Do Pass (H) - — **pass** (pass) · lower
- House Adopts (H) - SS as amended — **pass** (pass) · lower
- Truly Agreed To and Finally Passed - — **pass** (pass) · lower
- Third Read and Passed with Amendments (S) - SA 1, SA 1 to SA 2, SA 2 as amended — **pass** (pass) · upper
- Emergency Clause Adopted on Truly Agreed to Bill - — **pass** (pass) · lower
- HCS#2 Reported Do Pass (H) - — **pass** (pass) · lower
- Emergency Clause Adopted (S) - — **pass** (pass) · upper

## Sponsors

- Roberts, Lane — primary (person)

## Timeline

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

- **2019-12-23T06:00:00+00:00** Prefiled (H)
- **2020-01-08T06:00:00+00:00** Read First Time (H)
- **2020-01-09T06:00:00+00:00** Read Second Time (H) `reading-2`
- **2020-01-16T06:00:00+00:00** Referred: General Laws(H) `referral-committee`
- **2020-01-29T06:00:00+00:00** Public Hearing Completed (H)
- **2020-02-03T06:00:00+00:00** Executive Session Completed (H)
- **2020-02-03T06:00:00+00:00** HCS Voted Do Pass (H) `committee-passage`
- **2020-02-04T06:00:00+00:00** HCS Reported Do Pass (H) - AYES: 13 NOES: 0 PRESENT: 0 `committee-passage`
- **2020-02-04T06:00:00+00:00** Referred: Rules - Legislative Oversight(H) `referral-committee`
- **2020-02-11T06:00:00+00:00** Executive Session Completed (H)
- **2020-02-11T06:00:00+00:00** Voted Do Pass (H) `committee-passage`
- **2020-02-11T06:00:00+00:00** Reported Do Pass (H) - AYES: 10 NOES: 0 PRESENT: 0 `committee-passage`
- **2020-02-18T06:00:00+00:00** Placed on the Informal Perfection Calendar (H)
- **2020-02-26T06:00:00+00:00** Taken Up for Perfection (H)
- **2020-02-26T06:00:00+00:00** Title of Bill - Agreed To
- **2020-02-26T06:00:00+00:00** HCS Adopted (H)
- **2020-02-26T06:00:00+00:00** Perfected with Amendments (H) - HA 1, HA 2 Adopted
- **2020-03-02T06:00:00+00:00** Taken Up for Third Reading (H) `reading-3`
- **2020-03-02T06:00:00+00:00** Laid Over (H) - HPA 1 adopted
- **2020-03-03T06:00:00+00:00** Taken Up
- **2020-03-03T06:00:00+00:00** Re-committed to Committee: Rules - Administrative Oversight(H)
- **2020-03-05T06:00:00+00:00** Executive Session Completed (H)
- **2020-03-05T06:00:00+00:00** HCS#2 Voted Do Pass (H) `committee-passage`
- **2020-03-05T06:00:00+00:00** HCS#2 Reported Do Pass (H) - AYES: 7 NOES: 0 PRESENT: 0 `committee-passage`
- **2020-03-10T05:00:00+00:00** Placed on the Informal Perfection Calendar (H)
- **2020-03-10T05:00:00+00:00** Taken Up for Perfection (H)
- **2020-03-10T05:00:00+00:00** Title of Bill - Agreed To
- **2020-03-10T05:00:00+00:00** HCS#2 Adopted (H)
- **2020-03-10T05:00:00+00:00** Perfected (H)
- **2020-03-12T05:00:00+00:00** Taken Up for Third Reading (H) `reading-3`
- **2020-03-12T05:00:00+00:00** Third Read and Passed (H) - AYES: 145 NOES: 4 PRESENT: 0 `passage, reading-3`
- **2020-03-12T05:00:00+00:00** Emergency Clause Adopted (H) - AYES: 137 NOES: 11 PRESENT: 0
- **2020-03-12T05:00:00+00:00** Reported to the Senate and First Read (S) `reading-1`
- **2020-04-07T05:00:00+00:00** Second read and referred: Health and Pensions(S)
- **2020-04-25T05:00:00+00:00** Public Hearing Scheduled (S) - 10:30 a.m. or upon recess, Wednesday, April 29, 2020, Senate Chamber
- **2020-04-29T05:00:00+00:00** Public Hearing Held (S)
- **2020-04-29T05:00:00+00:00** Executive Session Held (S)
- **2020-04-29T05:00:00+00:00** SCS Voted Do Pass (S) `committee-passage`
- **2020-04-30T05:00:00+00:00** SCS Reported Do Pass (S) `committee-passage`
- **2020-05-04T05:00:00+00:00** Referred: Fiscal Oversight(S) `referral-committee`
- **2020-05-06T05:00:00+00:00** Executive Session Held (S)
- **2020-05-06T05:00:00+00:00** Reported Do Pass (S) `committee-passage`
- **2020-05-06T05:00:00+00:00** Taken Up for Third Reading (S) `reading-3`
- **2020-05-06T05:00:00+00:00** Senate Substitute Offered (S) `introduction`
- **2020-05-06T05:00:00+00:00** SS Adopted (S)
- **2020-05-06T05:00:00+00:00** Third Read and Passed with Amendments (S) - SA 1, SA 1 to SA 2, SA 2 as amended AYES: 29 NOES: 2 PRESENT: 0 `passage, reading-3`
- **2020-05-06T05:00:00+00:00** Emergency Clause Adopted (S) - AYES: 29 NOES: 2 PRESENT: 0
- **2020-05-07T05:00:00+00:00** Reported to the House with... (H) - SS as amended
- **2020-05-07T05:00:00+00:00** Referred: Fiscal Review(H) `referral-committee`
- **2020-05-08T05:00:00+00:00** Executive Session Completed (H)
- **2020-05-08T05:00:00+00:00** Voted Do Pass (H) `committee-passage`
- **2020-05-08T05:00:00+00:00** Reported Do Pass (H) - AYES: 7 NOES: 3 PRESENT: 0 `committee-passage`
- **2020-05-14T05:00:00+00:00** Taken Up
- **2020-05-14T05:00:00+00:00** House Adopts (H) - SS as amended AYES: 111 NOES: 39 PRESENT: 0
- **2020-05-14T05:00:00+00:00** Truly Agreed To and Finally Passed - AYES: 113 NOES: 37 PRESENT: 0 `passage`
- **2020-05-14T05:00:00+00:00** Emergency Clause Adopted on Truly Agreed to Bill - AYES: 124 NOES: 21 PRESENT: 2
- **2020-05-14T05:00:00+00:00** House Message (H)
- **2020-05-27T05:00:00+00:00** Signed by House Speaker(H)
- **2020-05-27T05:00:00+00:00** Signed by President Pro Tem (S)
- **2020-05-27T05:00:00+00:00** Delivered to Governor
- **2020-07-13T05:00:00+00:00** Approved by Governor (G) `executive-signature`
- **2020-07-13T05:00:00+00:00** Delivered to Secretary of State (G)

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/8862210e-8329-40b4-830d-2459bd6ae314`. Confidence: reported (aggregated from official Missouri legislature records).