---
type: "Bill"
title: "Campaign finance; independent expenditures; general amendments to the Michigan campaign finance act; provide for. Amends secs. 3, 4, 6, 9, 11, 17, 26, 33, 35, 51, 54 & 55 of 1976 PA 388 (MCL 169.203 et seq.) & adds secs. 24b & 24c."
description: "Campaign finance; independent expenditures; general amendments to the Michigan campaign finance act; provide for. Amends secs. 3, 4, 6, 9, 11, 17, 26, 33, 35, 51, 54 & 55 of 1976 PA 388 (MCL 169.203 et seq.) & adds secs. 24b & 24c."
jurisdiction: "us/states/mi"
legislature: "Michigan Legislature"
session: "2017-2018"
identifier: "SB 335"
citation: "Michigan SB 335 (2017-2018)"
classification: ["bill"]
subjects: ["Campaign finance: independent expenditures", "Campaign finance: other", "Campaign finance: committees", "Campaign finance: contributions and expenditures"]
status: "enacted"
primary_sponsors: []
version_count: 4
action_count: 29
vote_count: 2
first_action: "2017-04-27T04:00:00+00:00"
last_action: "2017-09-26T04:00:00+00:00"
source: "openstates"
source_identifier: "ocd-bill/9b84e0ee-2057-4b8b-b0ed-32b3366f7828"
source_url: "http://legislature.mi.gov/doc.aspx?2017-SB-0335"
source_hash: "dc7fc8f931d878ac0b819b635cb0a2f9741b2cf0c132041917166a96f468e142"
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-mi"]
---

# Michigan SB 335 (2017-2018) — Campaign finance; independent expenditures; general amendments to the Michigan campaign finance act; provide for. Amends secs. 3, 4, 6, 9, 11, 17, 26, 33, 35, 51, 54 & 55 of 1976 PA 388 (MCL 169.203 et seq.) & adds secs. 24b & 24c.

## Version chain

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

1. **As Passed by the House** (committee substitute) — [source](http://www.legislature.mi.gov/documents/2017-2018/billengrossed/Senate/htm/2017-SEBH-0335.htm)
2. **As Passed by the Senate** (committee substitute) — [source](http://www.legislature.mi.gov/documents/2017-2018/billengrossed/Senate/htm/2017-SEBS-0335.htm)
3. **Public Act** (committee substitute) — [source](http://www.legislature.mi.gov/documents/2017-2018/publicact/htm/2017-PA-0119.htm)
4. **Senate Introduced Bill** (committee substitute) — [source](http://www.legislature.mi.gov/documents/2017-2018/billintroduced/Senate/htm/2017-SIB-0335.htm)

## Votes

- passed; given immediate effect Roll Call # 271 Yeas 62 Nays 45 — **62–45** (pass) · lower
- PASSED ROLL CALL # 337 YEAS 23 NAYS 12 EXCUSED 3 NOT VOTING 0 — **23–12** (pass) · upper

## Sponsors

- 14 — cosponsor (person)
- David Robertson — cosponsor (person)

## Timeline

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

- **2017-04-27T04:00:00+00:00** INTRODUCED BY SENATOR DAVID ROBERTSON `introduction`
- **2017-04-27T04:00:00+00:00** REFERRED TO COMMITTEE ON ELECTIONS AND GOVERNMENT REFORM `referral-committee`
- **2017-05-09T04:00:00+00:00** REPORTED FAVORABLY WITH SUBSTITUTE S-1 `committee-passage`
- **2017-05-09T04:00:00+00:00** COMMITTEE RECOMMENDED IMMEDIATE EFFECT
- **2017-05-09T04:00:00+00:00** REFERRED TO COMMITTEE OF THE WHOLE WITH SUBSTITUTE S-1 `referral-committee`
- **2017-09-06T04:00:00+00:00** REPORTED BY COMMITTEE OF THE WHOLE FAVORABLY WITH SUBSTITUTE S-3 AND AMENDMENT(S) `committee-passage`
- **2017-09-06T04:00:00+00:00** SUBSTITUTE S-3 AS AMENDED CONCURRED IN
- **2017-09-06T04:00:00+00:00** PLACED ON ORDER OF THIRD READING WITH SUBSTITUTE S-3 AS AMENDED
- **2017-09-14T04:00:00+00:00** AMENDMENT(S) DEFEATED `amendment-failure`
- **2017-09-14T04:00:00+00:00** PASSED ROLL CALL # 337 YEAS 23 NAYS 12 EXCUSED 3 NOT VOTING 0 `passage`
- **2017-09-14T04:00:00+00:00** received on 09/14/2017 `introduction`
- **2017-09-14T04:00:00+00:00** read a first time `reading-1`
- **2017-09-14T04:00:00+00:00** referred to Committee on Elections and Ethics `referral-committee`
- **2017-09-19T04:00:00+00:00** reported with recommendation without amendment `committee-passage`
- **2017-09-19T04:00:00+00:00** referred to second reading
- **2017-09-19T04:00:00+00:00** read a second time `reading-2`
- **2017-09-19T04:00:00+00:00** placed on third reading
- **2017-09-19T04:00:00+00:00** placed on immediate passage
- **2017-09-19T04:00:00+00:00** read a third time `reading-3`
- **2017-09-19T04:00:00+00:00** passed; given immediate effect Roll Call # 271 Yeas 62 Nays 45 `passage`
- **2017-09-19T04:00:00+00:00** inserted full title
- **2017-09-19T04:00:00+00:00** returned to Senate
- **2017-09-19T04:00:00+00:00** GIVEN IMMEDIATE EFFECT
- **2017-09-19T04:00:00+00:00** FULL TITLE AGREED TO
- **2017-09-19T04:00:00+00:00** ORDERED ENROLLED
- **2017-09-20T04:00:00+00:00** PRESENTED TO GOVERNOR 9/20/2017 @ 8:00 AM `executive-receipt`
- **2017-09-26T04:00:00+00:00** APPROVED BY GOVERNOR 9/20/2017 @ 1:55 PM `executive-signature`
- **2017-09-26T04:00:00+00:00** FILED WITH SECRETARY OF STATE 9/20/2017 @ 2:28 PM
- **2017-09-26T04:00:00+00:00** ASSIGNED PA 0119'17 WITH IMMEDIATE EFFECT

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/9b84e0ee-2057-4b8b-b0ed-32b3366f7828`. Confidence: reported (aggregated from official Michigan legislature records).