---
type: "Bill"
title: "define critical infrastructure and revise certain crimes for the trespass or damage to critical infrastructure."
description: "define critical infrastructure and revise certain crimes for the trespass or damage to critical infrastructure."
jurisdiction: "us/states/sd"
legislature: "South Dakota Legislature"
session: "2020"
identifier: "SB 151"
citation: "South Dakota SB 151 (2020)"
classification: ["bill"]
subjects: ["Crimes", "Penalty", "Property"]
status: "enacted"
primary_sponsors: ["Chaffee", "Novstrup", "Stalzer", "Willadsen", "Zikmund"]
version_count: 5
action_count: 19
vote_count: 6
first_action: "2020-02-05"
last_action: "2020-03-30"
source: "openstates"
source_identifier: "ocd-bill/8b88bf8e-f589-492b-82f1-02c336aae0ef"
source_url: "https://sdlegislature.gov/Legislative_Session/Bills/Bill.aspx?Bill=151&Session=2020"
source_hash: "76b49c4613df1cf23c2cf14f80a7ab29ef607e36c724869a48b9d5faa5a5ffa2"
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 SB 151 (2020) — define critical infrastructure and revise certain crimes for the trespass or damage to critical infrastructure.

## Version chain

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

1. **Introduced** (filed) — [source](https://sdlegislature.gov/Legislative_Session/Bills/Bill.aspx?File=SB151P.html&Session=2020&Version=Introduced&Bill=151)
2. **House Commerce and Energy** (committee substitute) — [source](https://sdlegislature.gov/Legislative_Session/Bills/Bill.aspx?File=SB151HCO.html&Session=2020&Version=House Commerce and Energy&Bill=151)
3. **Senate** (committee substitute) — [source](https://sdlegislature.gov/Legislative_Session/Bills/Bill.aspx?File=SB151S.html&Session=2020&Version=Senate&Bill=151)
4. **Senate Commerce and Energy** (committee substitute) — [source](https://sdlegislature.gov/Legislative_Session/Bills/Bill.aspx?File=SB151SCO.html&Session=2020&Version=Senate Commerce and Energy&Bill=151)
5. **Enrolled** (enrolled) — [source](https://sdlegislature.gov/Legislative_Session/Bills/Bill.aspx?File=SB151ENR.html&Session=2020&Version=Enrolled&Bill=151)

## Votes

- Do Pass Amended - 2020 — **64–3** (pass) · lower
- Concurred in amendments - 2020 — **31–4** (pass) · upper
- Do Pass Amended - 2020 — **34–1** (pass) · upper
- Motion to amend - 2020 — **5–2** (pass) · upper
- Do Pass Amended - 2020 — **5–2** (pass) · upper
- Do Pass Amended - 2020 — **12–1** (pass) · lower

## Sponsors

- Chaffee — primary (person)
- Novstrup — primary (person)
- Stalzer — primary (person)
- Willadsen — primary (person)
- Zikmund — primary (person)

## Timeline

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

- **2020-02-05** First read in Senate and referred to Senate Commerce and Energy S.J. 140 `introduction, reading-1, referral-committee`
- **2020-02-25** Scheduled for hearing
- **2020-02-25** Commerce and Energy Motion to amend, Passed Amendment 151B `amendment-introduction, amendment-passage`
- **2020-02-25** Commerce and Energy Motion to amend, Passed, YEAS 5, NAYS 2. Amendment 151C
- **2020-02-25** Commerce and Energy Do Pass Amended, Passed, YEAS 5, NAYS 2. `committee-passage`
- **2020-02-27** Senate Motion to amend, Passed S.J. 370 Amendment 151D
- **2020-02-27** Senate Do Pass Amended, Passed, YEAS 34, NAYS 1. S.J. 370 `passage`
- **2020-02-27** First read in House and referred to House Commerce and Energy H.J. 432 `introduction, reading-1, referral-committee`
- **2020-03-04** Scheduled for hearing
- **2020-03-04** Commerce and Energy Motion to amend, Passed Amendment 151E `amendment-introduction, amendment-passage`
- **2020-03-04** Commerce and Energy Motion to amend, Passed Amendment 151G `amendment-introduction, amendment-passage`
- **2020-03-04** Commerce and Energy Do Pass Amended, Passed, YEAS 12, NAYS 1. `committee-passage`
- **2020-03-09** House of Representatives Do Pass Amended, Passed, YEAS 64, NAYS 3. H.J. 513 `passage`
- **2020-03-10** Senate Concurred in amendments, Passed, YEAS 31, NAYS 4. S.J. 481
- **2020-03-11** Signed by the President S.J. 487
- **2020-03-11** Signed by the President
- **2020-03-11** Signed by the Speaker H.J. 583
- **2020-03-12** Delivered to the Governor on March 12, 2020 S.J. 534 `executive-receipt`
- **2020-03-30** Signed by the Governor on March 18, 2020 S.J. 557 `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/8b88bf8e-f589-492b-82f1-02c336aae0ef`. Confidence: reported (aggregated from official South Dakota legislature records).