---
type: "Bill"
title: "provide for transparency in the pricing of prescription drugs."
description: "provide for transparency in the pricing of prescription drugs."
jurisdiction: "us/states/sd"
legislature: "South Dakota Legislature"
session: "2023"
identifier: "HB 1135"
citation: "South Dakota HB 1135 (2023)"
classification: ["bill"]
subjects: ["Food and Drugs", "Health Care", "Insurance"]
status: "enacted"
primary_sponsors: ["Bahmuller", "Davis", "Deutsch", "Diedrich", "Duffy", "Emery", "Jensen (Phil)", "Moore", "Mulder", "Perry", "Peterson (Drew)", "Pinnow", "Weisgram"]
version_count: 4
action_count: 13
vote_count: 4
first_action: "2023-01-25"
last_action: "2023-03-27"
source: "openstates"
source_identifier: "ocd-bill/c1700ceb-ee46-4717-8033-e4dd18fdfb3f"
source_url: "https://sdlegislature.gov/Session/Bill/24166"
source_hash: "0965393ddb6cf175b54d7404e30454efe1cc7c99eb45b559b8ce0abd375eb384"
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 1135 (2023) — provide for transparency in the pricing of prescription drugs.

## 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/24166/246135)
2. **1135B** (committee substitute) — [source](https://mylrc.sdlegislature.gov/api/Documents/248500.pdf)
3. **House Commerce and Energy Engrossed** (committee substitute) — [source](https://sdlegislature.gov/Session/Bill/24166/248961)
4. **Enrolled** (enrolled) — [source](https://sdlegislature.gov/Session/Bill/24166/250491)

## Votes

- Do Pass Amended — **34–0** (pass) · upper
- Do Pass Amended — **62–5** (pass) · lower
- Do Pass — **7–0** (pass) · upper
- Do Pass Amended — **12–0** (pass) · lower

## Sponsors

- Bahmuller — primary (person)
- Davis — primary (person)
- Deutsch — primary (person)
- Diedrich — primary (person)
- Duffy — primary (person)
- Emery — primary (person)
- Jensen (Phil) — primary (person)
- Moore — primary (person)
- Mulder — primary (person)
- Perry — primary (person)
- Peterson (Drew) — primary (person)
- Pinnow — primary (person)
- Weisgram — primary (person)

## Timeline

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

- **2023-01-25** First read in House and referred to H.J. 102 `introduction, reading-1, referral-committee`
- **2023-02-08** Scheduled for hearing
- **2023-02-08** Commerce and Energy Motion to amend , Passed, Amendment 1135B `amendment-introduction, amendment-passage`
- **2023-02-08** Commerce and Energy Do Pass Amended , Passed, YEAS 12, NAYS 0
- **2023-02-13** House of Representatives Do Pass Amended , Passed, YEAS 62, NAYS 5 H.J. 285
- **2023-02-14** First read in Senate and referred to S.J. 261 `introduction, reading-1, referral-committee`
- **2023-02-24** Scheduled for hearing
- **2023-02-24** Health and Human Services Do Pass , Passed, YEAS 7, NAYS 0 `committee-passage`
- **2023-02-27** Senate Do Pass Amended , Passed, YEAS 34, NAYS 0 S.J. 357
- **2023-03-01** Signed by the Speaker H.J. 446 `passage`
- **2023-03-02** Signed by the President S.J. 417 `passage`
- **2023-03-07** Delivered to the Governor on 2023-03-07 H.J. 494 `executive-receipt`
- **2023-03-27** Signed by the Governor on 2023-03-27 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/c1700ceb-ee46-4717-8033-e4dd18fdfb3f`. Confidence: reported (aggregated from official South Dakota legislature records).