---
type: "Bill"
title: "Primary Election Clean-up"
description: "At the 2016 general election, the voters of the state approved 2 initiated measures affecting primary elections: Proposition 107, which restored a presidential primary election, and Proposition 108, which allows participation by unaffiliated voters in primary elections."
jurisdiction: "us/states/co"
legislature: "Colorado General Assembly"
session: "2017A"
identifier: "SB 17-305"
citation: "Colorado SB 17-305 (2017A)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Kevin Lundberg", "Mike Foote", "Patrick Neville P.", "Stephen Fenberg"]
version_count: 15
action_count: 17
vote_count: 10
first_action: "2017-05-03T06:00:00+00:00"
last_action: "2017-05-19T06:00:00+00:00"
source: "openstates"
source_identifier: "ocd-bill/f66ef967-4c4f-454d-83c5-a33bb090efc5"
source_url: "http://leg.colorado.gov/bills/sb17-305"
source_hash: "ef2a1dcff1c0fdaf65a280168b3e5f3d37d89698786635395f6a4d5fc4bef786"
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-co"]
---

# Colorado SB 17-305 (2017A) — Primary Election Clean-up

At the 2016 general election, the voters of the state approved 2 initiated measures affecting primary elections: Proposition 107, which restored a presidential primary election, and Proposition 108, which allows participation by unaffiliated voters in primary elections.

## Version chain

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

1. **Amendment L.001** (committee substitute) — [source](http://coga.prod.acquia-sites.com/sites/default/files/html-attachments/s_sa_2017a_20170503t133855z16__hearing_summary/17SenateState0503AttachR.pdf)
2. **Amendment L.002** (committee substitute) — [source](http://coga.prod.acquia-sites.com/sites/default/files/html-attachments/s_sa_2017a_20170503t133855z16__hearing_summary/17SenateState0503AttachS.pdf)
3. **Amendment L.003** (committee substitute) — [source](http://coga.prod.acquia-sites.com/sites/default/files/html-attachments/s_sa_2017a_20170503t133855z16__hearing_summary/17SenateState0503AttachT.pdf)
4. **Amendment L.005** (committee substitute) — [source](http://coga.prod.acquia-sites.com/sites/default/files/html-attachments/s_sa_2017a_20170503t133855z16__hearing_summary/17SenateState0503AttachU.pdf)
5. **Committee Amendment** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2017a/bills/cr/2017a_sb305_s_app_002.pdf)
6. **Engrossed (05/05/2017)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2017A/bills/2017a_305_eng.pdf)
7. **Final Act (05/19/2017)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2017A/bills/2017a_305_enr.pdf)
8. **Introduced (05/03/2017)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2017A/bills/2017a_305_01.pdf)
9. **PA1 (05/04/2017)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2017A/bills/2017a_305ssta_01.pdf)
10. **PA2 (05/05/2017)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2017A/bills/2017a_305sstaapp.pdf)
11. **PA3 (05/08/2017)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2017A/bills/2017a_305app.pdf)
12. **Reengrossed (05/08/2017)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2017A/bills/2017a_305_ren.pdf)
13. **Rerevised (05/09/2017)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2017A/bills/2017a_305_rer.pdf)
14. **Revised (05/08/2017)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2017A/bills/2017a_305_rev.pdf)
15. **Signed Act (05/19/2017)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2017A/bills/2017a_305_signed.pdf)

## Votes

- Adopt amendment J.002 The motion passed without objection. — **0–0** (pass) · legislature
- Adopt amendment L.002 (Attachment S). The motion passed without objection. — **0–0** (pass) · legislature
- Refer Senate Bill 17-305, as amended, to the Committee of the Whole. The motion passed on a vote of 13-0. — **13–0** (pass) · legislature
- Adopt amendment L.005 (Attachment U). The motion failed on a vote of 1-4. — **1–4** (fail) · legislature
- Adopt amendment L.001 (Attachment R). The motion passed on a vote of 4-1. — **4–1** (pass) · legislature
- Adopt amendment L.003 (Attachment T). The motion failed on a vote of 1-4. — **1–4** (fail) · legislature
- Refer Senate Bill 17-305, as amended, to the Committee on Appropriations. The motion passed on a vote of 4-1. — **4–1** (pass) · legislature
- Refer Senate Bill 17-305 to the Committee on Appropriations. The motion passed on a vote of 13-0. — **13–0** (pass) · legislature
- Adopt amendment J.001 The motion passed without objection. — **0–0** (pass) · legislature
- Refer Senate Bill 17-305, as amended, to the Committee of the Whole. The motion passed on a vote of 6-1. — **6–1** (pass) · legislature

## Sponsors

- Kevin Lundberg — primary (person)
- Mike Foote — primary (person)
- Patrick Neville P. — primary (person)
- Stephen Fenberg — primary (person)

## Timeline

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

- **2017-05-19T06:00:00+00:00** Governor Signed `executive-signature`
- **2017-05-19T06:00:00+00:00** Sent to the Governor `executive-receipt`
- **2017-05-19T06:00:00+00:00** Signed by the Speaker of the House
- **2017-05-19T06:00:00+00:00** Signed by the President of the Senate
- **2017-05-10T06:00:00+00:00** Senate Considered House Amendments - Result was to Concur - Repass
- **2017-05-09T06:00:00+00:00** House Third Reading Passed - No Amendments `reading-3, passage`
- **2017-05-08T06:00:00+00:00** House Second Reading Special Order - Passed with Amendments - Committee
- **2017-05-08T06:00:00+00:00** House Committee on Appropriations Refer Amended to House Committee of the Whole `referral-committee, committee-passage`
- **2017-05-08T06:00:00+00:00** House Committee on Finance Refer Unamended to Appropriations `referral-committee`
- **2017-05-08T06:00:00+00:00** Introduced In House - Assigned to Finance `introduction`
- **2017-05-08T06:00:00+00:00** Senate Third Reading Passed with Amendments - Floor `reading-3, passage`
- **2017-05-08T06:00:00+00:00** Senate Third Reading Reconsidered - No Amendments
- **2017-05-08T06:00:00+00:00** Senate Third Reading Passed with Amendments - Floor `reading-3, passage`
- **2017-05-05T06:00:00+00:00** Senate Second Reading Special Order - Passed with Amendments - Committee
- **2017-05-05T06:00:00+00:00** Senate Committee on Appropriations Refer Amended to Senate Committee of the Whole `referral-committee, committee-passage`
- **2017-05-03T06:00:00+00:00** Senate Committee on State, Veterans, & Military Affairs Refer Amended to Appropriations `referral-committee`
- **2017-05-03T06:00:00+00:00** Introduced In Senate - Assigned to State, Veterans, & Military Affairs `introduction`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/f66ef967-4c4f-454d-83c5-a33bb090efc5`. Confidence: reported (aggregated from official Colorado legislature records).