---
type: "Bill"
title: "A bill for an act relating to the perfection of mechanics’ liens and mechanics’ liens remedies and including effective date provisions. (Formerly HSB 173.) Effective date: 01/01/2022."
description: "A bill for an act relating to the perfection of mechanics’ liens and mechanics’ liens remedies and including effective date provisions. (Formerly HSB 173.) Effective date: 01/01/2022."
jurisdiction: "us/states/ia"
legislature: "Iowa General Assembly"
session: "2021-2022"
identifier: "HF 561"
citation: "Iowa HF 561 (2021-2022)"
classification: ["bill"]
subjects: ["commercial law", "liens", "mechanics' liens"]
status: "enacted"
primary_sponsors: []
version_count: 9
action_count: 32
vote_count: 4
first_action: "2021-02-16"
last_action: "2021-05-19"
source: "openstates"
source_identifier: "ocd-bill/7b9a9b79-9ea5-45f7-bc86-02ee4ed2139b"
source_url: "https://www.legis.iowa.gov/legislation/billTracking/billHistory?billName=HF 561&ga=89"
source_hash: "9a2133155653dfe39bc839d3f0d7972d34c4965c654c223aa39dca6a0553a874"
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 561 (2021-2022) — A bill for an act relating to the perfection of mechanics’ liens and mechanics’ liens remedies and including effective date provisions. (Formerly HSB 173.) Effective date: 01/01/2022.

## 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/89/attachments/HF561.html)
2. **Amendment H-1104** (committee substitute) — [source](https://www.legis.iowa.gov/docs/publications/AMDI/89/H1104.pdf)
3. **Amendment H-1328** (committee substitute) — [source](https://www.legis.iowa.gov/docs/publications/AMDI/89/H1328.pdf)
4. **Amendment H-1352** (committee substitute) — [source](https://www.legis.iowa.gov/docs/publications/AMDI/89/H1352.pdf)
5. **Amendment S-3064** (committee substitute) — [source](https://www.legis.iowa.gov/docs/publications/AMDI/89/S3064.pdf)
6. **Amendment S-3099** (committee substitute) — [source](https://www.legis.iowa.gov/docs/publications/AMDI/89/S3099.pdf)
7. **Amendment S-3131** (committee substitute) — [source](https://www.legis.iowa.gov/docs/publications/AMDI/89/S3131.pdf)
8. **Signed Enrolled Bill (PDF)** (committee substitute) — [source](https://www.legis.iowa.gov/docs/publications/LGE/89/Attachments/HF561_GovLetter.pdf)
9. **Enrolled** (enrolled) — [source](https://www.legis.iowa.gov/docs/publications/LGE/89/attachments/HF561.html)

## Votes

- Shall the bill pass? — **93–0** (pass) · lower
- Shall the bill pass? — **90–0** (pass) · lower
- Shall the bill pass? — **45–0** (pass) · upper
- Shall the bill pass? — **46–0** (pass) · upper

## Timeline

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

- **2021-02-16** Introduced, placed on calendar. `introduction`
- **2021-02-22** Amendment H-1104 filed. `amendment-introduction`
- **2021-02-23** Amendment H-1104 withdrawn.
- **2021-02-23** Passed House, yeas 93, nays none. `passage`
- **2021-02-24** Explanation of vote.
- **2021-05-19** Explanation of vote.
- **2021-02-23** Immediate message.
- **2021-02-24** Message from House.
- **2021-02-24** Read first time, attached to companion SF 341. `reading-1`
- **2021-03-10** Amendment S-3064 filed. `amendment-introduction`
- **2021-03-29** Substituted for SF 341.
- **2021-03-29** Amendment S-3064 withdrawn.
- **2021-03-29** Amendment S-3099 filed, adopted. `amendment-introduction, amendment-passage`
- **2021-03-29** Passed Senate, yeas 45, nays 0. `passage`
- **2021-03-29** Immediate message.
- **2021-03-29** Message from Senate.
- **2021-03-29** Senate amendment H-1328 filed.
- **2021-04-01** Placed on calendar under unfinished business.
- **2021-04-06** Amendment H-1352 to Senate amendment H-1328 filed, adopted.
- **2021-04-06** House concurred in Senate amendment H-1328, as amended.
- **2021-04-06** Passed House, yeas 90, nays none. `passage`
- **2021-04-13** Explanation of vote.
- **2021-04-21** Explanation of vote.
- **2021-05-18** Explanation of vote.
- **2021-04-06** Immediate message.
- **2021-04-06** Message from House, with amendment S-3131.
- **2021-04-13** Senate concurred with S-3131.
- **2021-04-13** Passed Senate, yeas 46, nays 0. `passage`
- **2021-04-13** Immediate message.
- **2021-04-13** Message from Senate.
- **2021-04-30** Reported correctly enrolled, signed by Speaker and President, and sent to Governor.
- **2021-04-30** 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/7b9a9b79-9ea5-45f7-bc86-02ee4ed2139b`. Confidence: reported (aggregated from official Iowa legislature records).