---
type: "Bill"
title: "Modifies provisions relating to the monitoring of certain controlled substances"
description: "Modifies provisions relating to the monitoring of certain controlled substances"
jurisdiction: "us/states/mo"
legislature: "Missouri General Assembly"
session: "2021"
identifier: "SB 63"
citation: "Missouri SB 63 (2021)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Rehder"]
version_count: 6
action_count: 48
vote_count: 0
first_action: "2020-12-01T06:00:00+00:00"
last_action: "2021-06-08T05:00:00+00:00"
source: "openstates"
source_identifier: "ocd-bill/2151aedb-66c3-4257-9026-f1de5680058e"
source_url: "http://www.senate.mo.gov/21info/BTS_Web/Bill.aspx?SessionType=R&BillID=54228843"
source_hash: "0a140fbb2a29d1c27b20c33413aec7956a4970816f4f3af13a981b250fd94e4d"
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 SB 63 (2021) — Modifies provisions relating to the monitoring of certain controlled substances

## Version chain

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

1. **Introduced** (filed) — [source](https://www.senate.mo.gov/21info/pdf-bill/intro/SB63.pdf)
2. **0510S.02F - SS Adopted, as amended** (committee substitute) — [source](http://www.senate.mo.gov/21info/BTS_Web/ShowAmendment.aspx?Id=3455)
3. **0510S02.02S - SA 3 SS Adopted** (committee substitute) — [source](http://www.senate.mo.gov/21info/BTS_Web/ShowAmendment.aspx?Id=3461)
4. **0510S02.14S - SA 4 SS Adopted** (committee substitute) — [source](http://www.senate.mo.gov/21info/BTS_Web/ShowAmendment.aspx?Id=3462)
5. **Perfected** (committee substitute) — [source](https://www.senate.mo.gov/21info/pdf-bill/perf/SB63.pdf)
6. **Truly Agreed To and Finally Passed** (committee substitute) — [source](https://www.senate.mo.gov/21info/pdf-bill/tat/SB63.pdf)

## Sponsors

- Rehder — primary (person)

## Timeline

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

- **2020-12-01T06:00:00+00:00** Prefiled
- **2021-01-06T06:00:00+00:00** S First Read `reading-1`
- **2021-01-14T06:00:00+00:00** Second Read and Referred S Government Accountability & Fiscal Oversight Committee `reading-2, referral-committee`
- **2021-01-28T06:00:00+00:00** Hearing Conducted S Governmental Accountability and Fiscal Oversight Committee
- **2021-02-04T06:00:00+00:00** Voted Do Pass S Governmental Accountability and Fiscal Oversight Committee `committee-passage`
- **2021-02-11T06:00:00+00:00** Reported from S Governmental Accountability and Fiscal Oversight Committee
- **2021-03-09T06:00:00+00:00** Bill Placed on Informal Calendar
- **2021-03-29T05:00:00+00:00** SS S offered (Rehder)--(0510S.02F)
- **2021-03-29T05:00:00+00:00** SA 1 to SS S offered & defeated (Moon)--(0510S02.10S)
- **2021-03-29T05:00:00+00:00** SA 2 to SS S offered & defeated (Brattin)--(0510S02.04S)
- **2021-03-29T05:00:00+00:00** SA 3 to SS S offered & adopted (Riddle)--(0510S02.02S)
- **2021-03-29T05:00:00+00:00** SA 4 to SS S offered & adopted (Hoskins)--(0510S02.14S)
- **2021-03-29T05:00:00+00:00** SA 5 to SS S offered (Moon)--(0510S02.13S)
- **2021-03-29T05:00:00+00:00** SA 1 to SA 5 to SS S offered & defeated (Moon)--(0510S02.15S)
- **2021-03-29T05:00:00+00:00** SA 5 to SS S defeated
- **2021-03-29T05:00:00+00:00** SA 6 to SS S offered (Moon)--(0510S02.12S)
- **2021-03-29T05:00:00+00:00** SA 1 to SA 6 to SS S offered & defeated (Moon)--(0510S02.16S)
- **2021-03-29T05:00:00+00:00** SA 6 to SS S defeated
- **2021-03-29T05:00:00+00:00** SS, as amended, S adopted `passage`
- **2021-03-29T05:00:00+00:00** Perfected
- **2021-03-30T05:00:00+00:00** Reported Truly Perfected S Rules, Joint Rules, Resolutions and Ethics Committee
- **2021-03-30T05:00:00+00:00** Referred S Governmental Accountability and Fiscal Oversight Committee `referral-committee`
- **2021-04-01T05:00:00+00:00** Voted Do Pass S Governmental Accountability and Fiscal Oversight Committee `committee-passage`
- **2021-04-01T05:00:00+00:00** Reported from S Governmental Oversight and Fiscal Oversight Committee
- **2021-04-01T05:00:00+00:00** Bill Placed on Informal Calendar
- **2021-04-06T05:00:00+00:00** S Third Read and Passed `passage, reading-3`
- **2021-04-06T05:00:00+00:00** H First Read `reading-1`
- **2021-04-07T05:00:00+00:00** H Second Read `reading-2`
- **2021-04-14T05:00:00+00:00** Referred H Veterans `referral-committee`
- **2021-04-20T05:00:00+00:00** Hearing Conducted H Veterans
- **2021-04-22T05:00:00+00:00** Voted Do Pass H Veterans `committee-passage`
- **2021-04-22T05:00:00+00:00** Reported Do Pass H Veterans `committee-passage`
- **2021-04-22T05:00:00+00:00** Referred H Rules - Legislative Oversight `referral-committee`
- **2021-05-03T05:00:00+00:00** Executive Session Scheduled - Action postponed
- **2021-05-05T05:00:00+00:00** Hearing Conducted H Rules - Legislative Oversight
- **2021-05-05T05:00:00+00:00** Voted Do Pass H Rules - Legislative Oversight `committee-passage`
- **2021-05-05T05:00:00+00:00** Reported Do Pass H Rules - Legislative Oversight `committee-passage`
- **2021-05-05T05:00:00+00:00** Referred H Fiscal Review Committee `referral-committee`
- **2021-05-06T05:00:00+00:00** Voted Do Pass H Fiscal Review `committee-passage`
- **2021-05-07T05:00:00+00:00** Reported Do Pass H Fiscal Review `committee-passage`
- **2021-05-10T05:00:00+00:00** Bill Placed on Informal Calendar
- **2021-05-11T05:00:00+00:00** H Third Read and Passed `passage, reading-3`
- **2021-05-11T05:00:00+00:00** Truly Agreed To and Finally Passed `passage`
- **2021-05-12T05:00:00+00:00** Reported Duly Enrolled Rules, Joint Rules, Resolutions & Ethics Committee
- **2021-05-25T05:00:00+00:00** Signed by Senate President Pro Tem
- **2021-05-25T05:00:00+00:00** Signed by House Speaker
- **2021-05-25T05:00:00+00:00** Delivered to Governor
- **2021-06-08T05:00:00+00:00** Signed by Governor `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/2151aedb-66c3-4257-9026-f1de5680058e`. Confidence: reported (aggregated from official Missouri legislature records).