---
type: "Bill"
title: "A bill for an act relating to oversight of public assistance programs, and including effective date provisions. (Formerly HSB 172.) Effective 3-30-17."
description: "A bill for an act relating to oversight of public assistance programs, and including effective date provisions. (Formerly HSB 172.) Effective 3-30-17."
jurisdiction: "us/states/ia"
legislature: "Iowa General Assembly"
session: "2017-2018"
identifier: "HF 531"
citation: "Iowa HF 531 (2017-2018)"
classification: ["bill"]
subjects: ["human services department", "medical assistance", "public assistance"]
status: "enacted"
primary_sponsors: []
version_count: 2
action_count: 13
vote_count: 2
first_action: "2017-03-06"
last_action: "2017-03-30"
source: "openstates"
source_identifier: "ocd-bill/60f1327c-61a5-4a56-8c27-4b7412c12a0e"
source_url: "https://www.legis.iowa.gov/legislation/billTracking/billHistory?billName=HF 531&ga=87"
source_hash: "2b0c2eecc6afd156d075887874b928f62893d19d55ecc2fdf8073b3dc84c39f4"
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 531 (2017-2018) — A bill for an act relating to oversight of public assistance programs, and including effective date provisions. (Formerly HSB 172.) Effective 3-30-17.

## 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/HF531.html)
2. **Enrolled** (enrolled) — [source](https://www.legis.iowa.gov/docs/publications/LGE/87/attachments/HF531.html)

## Votes

- Shall the bill pass? — **97–0** (pass) · lower
- Shall the bill pass? — **47–0** (pass) · upper

## Timeline

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

- **2017-03-06** Introduced, placed on calendar. `introduction`
- **2017-03-20** Passed House, ayes 97, nays 0. `passage`
- **2017-03-20** Immediate message.
- **2017-03-20** Message from House.
- **2017-03-20** Read first time and attached to companion SF 469. `reading-1`
- **2017-03-23** Substituted for SF 469.
- **2017-03-23** Passed Senate, ayes 47, nays none. `passage`
- **2017-03-27** Explanation of vote.
- **2017-03-23** Immediate message.
- **2017-03-23** Message from Senate.
- **2017-03-28** Reported correctly enrolled, signed by Speaker and President.
- **2017-03-28** Sent to Governor. `executive-receipt`
- **2017-03-30** 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/60f1327c-61a5-4a56-8c27-4b7412c12a0e`. Confidence: reported (aggregated from official Iowa legislature records).