---
type: "Bill"
title: "reschedule the pharmaceutical composition of crystalline polymorph psilocybin in a drug product approved by the Food and Drug Administration as a Schedule IV controlled substance."
description: "reschedule the pharmaceutical composition of crystalline polymorph psilocybin in a drug product approved by the Food and Drug Administration as a Schedule IV controlled substance."
jurisdiction: "us/states/sd"
legislature: "South Dakota Legislature"
session: "2026"
identifier: "HB 1099"
citation: "South Dakota HB 1099 (2026)"
classification: ["bill"]
subjects: ["Controlled Substances", "Public Health and Safety"]
status: "enacted"
primary_sponsors: ["Davis", "Emery", "Goodwin", "Heermann", "Moore", "Muckey", "Mulder", "Perry", "Pischke", "Rehfeldt", "Uhre-Balk", "Wipf", "Wittman"]
version_count: 2
action_count: 14
vote_count: 4
first_action: "2026-01-21"
last_action: "2026-03-10"
source: "openstates"
source_identifier: "ocd-bill/0e6db9e8-e382-4100-b698-bf00e9cd3edf"
source_url: "https://sdlegislature.gov/Session/Bill/26592"
source_hash: "628928e80c54eeefd5e3796484e770f95a1dcd24852378197d4b8e0c942ee0d1"
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-sd"]
---

# South Dakota HB 1099 (2026) — reschedule the pharmaceutical composition of crystalline polymorph psilocybin in a drug product approved by the Food and Drug Administration as a Schedule IV controlled substance.

## Version chain

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

1. **Introduced** (filed) — [source](https://sdlegislature.gov/Session/Bill/26592/295501)
2. **Enrolled** (enrolled) — [source](https://sdlegislature.gov/Session/Bill/26592/305666)

## Votes

- Do Pass — **6–0** (pass) · upper
- Do Pass — **21–12** (pass) · upper
- Do Pass — **58–7** (pass) · lower
- Do Pass — **13–0** (pass) · lower

## Sponsors

- Davis — primary (person)
- Emery — primary (person)
- Goodwin — primary (person)
- Heermann — primary (person)
- Moore — primary (person)
- Muckey — primary (person)
- Mulder — primary (person)
- Perry — primary (person)
- Pischke — primary (person)
- Rehfeldt — primary (person)
- Uhre-Balk — primary (person)
- Wipf — primary (person)
- Wittman — primary (person)

## Timeline

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

- **2026-01-21** First read in House and referred to House Health and Human Services H.J. 104 `introduction, reading-1, referral-committee`
- **2026-02-05** Scheduled for hearing H.J. 1
- **2026-02-05** Health and Human Services Do Pass , Passed, YEAS 13, NAYS 0 H.J. 13 `committee-passage`
- **2026-02-09** House of Representatives Do Pass , Passed, YEAS 58, NAYS 7 H.J. 265 `passage`
- **2026-02-10** First read in Senate and referred to Senate Health and Human Services S.J. 232 `introduction, reading-1, referral-committee`
- **2026-02-25** Scheduled for hearing S.J. 1
- **2026-02-25** Health and Human Services Do Pass , Passed, YEAS 6, NAYS 0 S.J. 21 `committee-passage`
- **2026-02-25** Certified uncontested, placed on consent , Passed, S.J. 21
- **2026-02-26** Remove from Consent Calendar S.J. 412
- **2026-03-02** Senate Do Pass , Passed, YEAS 21, NAYS 12 S.J. 429 `passage`
- **2026-03-03** Signed by the Speaker H.J. 492 `passage`
- **2026-03-04** Signed by the President S.J. 470 `passage`
- **2026-03-05** Delivered to the Governor on 2026-03-05 H.J. 520 `executive-receipt`
- **2026-03-10** Signed by the Governor on 2026-03-10 H.J. 547 `executive-signature, executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/0e6db9e8-e382-4100-b698-bf00e9cd3edf`. Confidence: reported (aggregated from official South Dakota legislature records).