---
type: "Bill"
title: "A bill for an act relating to child in need of assistance and child abuse cases involving certain drugs and other substances. (Formerly HF 276.) Effective 7-1-17."
description: "A bill for an act relating to child in need of assistance and child abuse cases involving certain drugs and other substances. (Formerly HF 276.) Effective 7-1-17."
jurisdiction: "us/states/ia"
legislature: "Iowa General Assembly"
session: "2017-2018"
identifier: "HF 543"
citation: "Iowa HF 543 (2017-2018)"
classification: ["bill"]
subjects: ["child abuse", "child assistance", "children", "controlled substances", "drugs", "health", "medical care", "newborn children"]
status: "enacted"
primary_sponsors: []
version_count: 3
action_count: 17
vote_count: 2
first_action: "2017-03-07"
last_action: "2017-04-20"
source: "openstates"
source_identifier: "ocd-bill/6dbbb8c9-9b11-4acd-8459-4aacd5f651bd"
source_url: "https://www.legis.iowa.gov/legislation/billTracking/billHistory?billName=HF 543&ga=87"
source_hash: "2be3ba18e6ce2fcd8be5473ecfb8b93c37953c18839cc7c722398de0584a2331"
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-ia"]
---

# Iowa HF 543 (2017-2018) — A bill for an act relating to child in need of assistance and child abuse cases involving certain drugs and other substances. (Formerly HF 276.) Effective 7-1-17.

## Version chain

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

1. **Introduced** (filed) — [source](https://www.legis.iowa.gov/docs/publications/LGI/87/attachments/HF543.html)
2. **Amendment H-1182** (committee substitute) — [source](https://www.legis.iowa.gov/docs/publications/AMDI/87/H1182.pdf)
3. **Enrolled** (enrolled) — [source](https://www.legis.iowa.gov/docs/publications/LGE/87/attachments/HF543.html)

## Votes

- Shall the bill pass? — **48–0** (pass) · upper
- Shall the bill pass? — **93–0** (pass) · lower

## Timeline

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

- **2017-03-07** Introduced, placed on calendar. `introduction`
- **2017-03-13** Amendment H-1182 filed. `amendment-introduction`
- **2017-03-14** Amendment H-1182 withdrawn.
- **2017-03-14** Passed House, ayes 93, nays 0. `passage`
- **2017-03-14** Explanation of vote.
- **2017-03-14** Immediate message.
- **2017-03-14** Message from House.
- **2017-03-14** Read first time, referred to Human Resources. `reading-1`
- **2017-03-15** Subcommittee: Chapman, Bolkcom, and C. Johnson.
- **2017-03-29** Committee report, recommending passage. `committee-passage`
- **2017-04-07** Placed on calendar under unfinished business.
- **2017-04-10** Passed Senate, ayes 48, nays 0. `passage`
- **2017-04-10** Immediate message.
- **2017-04-10** Message from Senate.
- **2017-04-18** Reported correctly enrolled, signed by Speaker and President.
- **2017-04-18** Sent to Governor. `executive-receipt`
- **2017-04-20** 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/6dbbb8c9-9b11-4acd-8459-4aacd5f651bd`. Confidence: reported (aggregated from official Iowa legislature records).