republic-os/legislation/us/states/co/2020a/sb-20-120.md

---
type: "Bill"
title: "Apprentice Examinations And Professional Licenses"
description: "Current law requires an electrical or plumbing employer to register an apprentice with the respective governing board within 30 days after beginning employment. When an apprentice is no longer employed as an apprentice, the act requires an employer to remove each apprentice from the apprentice program and annually notify the applicable board of the termination of employment."
jurisdiction: "us/states/co"
legislature: "Colorado General Assembly"
session: "2020A"
identifier: "SB 20-120"
citation: "Colorado SB 20-120 (2020A)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Jessie Danielson", "Tom Sullivan"]
version_count: 10
action_count: 18
vote_count: 5
first_action: "2020-01-24T07:00:00+00:00"
last_action: "2020-07-07T06:00:00+00:00"
source: "openstates"
source_identifier: "ocd-bill/284d178a-9fe4-48a5-b91b-745b20d305a1"
source_url: "http://leg.colorado.gov/bills/sb20-120"
source_hash: "9c8ac539e752ea832e8314f5532a53f673702fe079ad58a666ce86a54644a2f3"
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 20-120 (2020A) — Apprentice Examinations And Professional Licenses

Current law requires an electrical or plumbing employer to register an apprentice with the respective governing board within 30 days after beginning employment. When an apprentice is no longer employed as an apprentice, the act requires an employer to remove each apprentice from the apprentice program and annually notify the applicable board of the termination of employment.

## Version chain

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

1. **Committee Amendment** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/2020a_sb120_h_app_002.pdf)
2. **Engrossed (02/25/2020)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2020A/bills/2020a_120_eng.pdf)
3. **Final Act (06/22/2020)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2020A/bills/2020a_120_enr.pdf)
4. **Introduced (01/24/2020)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2020A/bills/2020a_120_01.pdf)
5. **PA1 (02/14/2020)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2020A/bills/2020a_120sblt_01.pdf)
6. **PA2 (06/04/2020)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2020A/bills/2020a_120app_01.pdf)
7. **Reengrossed (02/26/2020)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2020A/bills/2020a_120_ren.pdf)
8. **Rerevised (06/08/2020)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2020A/bills/2020a_120_rer.pdf)
9. **Revised (06/04/2020)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2020A/bills/2020a_120_rev.pdf)
10. **Signed Act (07/07/2020)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/2020a_120_signed.pdf)

## Votes

- BILL — **41–23** (pass) · lower
- COW * — **15–18** (fail) · upper
- BILL — **18–14** (pass) · upper
- REPASS — **19–15** (pass) · upper
- CONCUR — **34–0** (pass) · upper

## Sponsors

- Jessie Danielson — primary (person)
- Tom Sullivan — primary (person)

## Timeline

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

- **2020-07-07T06:00:00+00:00** Governor Signed `executive-signature`
- **2020-06-22T06:00:00+00:00** Sent to the Governor `executive-receipt`
- **2020-06-22T06:00:00+00:00** Signed by the Speaker of the House
- **2020-06-19T06:00:00+00:00** Signed by the President of the Senate
- **2020-06-09T06:00:00+00:00** Senate Considered House Amendments - Result was to Concur - Repass
- **2020-06-08T06:00:00+00:00** House Third Reading Passed - No Amendments `reading-3, passage`
- **2020-06-05T06:00:00+00:00** House Third Reading Laid Over Daily - No Amendments
- **2020-06-04T06:00:00+00:00** House Second Reading Special Order - Passed with Amendments - Committee, Floor
- **2020-06-03T06:00:00+00:00** House Committee on Appropriations Refer Amended to House Committee of the Whole `committee-passage, referral-committee`
- **2020-03-11T06:00:00+00:00** House Committee on Business Affairs & Labor Refer Unamended to Appropriations `referral-committee`
- **2020-02-28T07:00:00+00:00** Introduced In House - Assigned to Business Affairs & Labor `introduction`
- **2020-02-26T07:00:00+00:00** Senate Third Reading Passed - No Amendments `reading-3, passage`
- **2020-02-25T07:00:00+00:00** Senate Second Reading Passed with Amendments - Committee, Floor `reading-2`
- **2020-02-24T07:00:00+00:00** Senate Second Reading Laid Over Daily - No Amendments
- **2020-02-20T07:00:00+00:00** Senate Second Reading Laid Over to 02/24/2020 - No Amendments
- **2020-02-18T07:00:00+00:00** Senate Second Reading Laid Over Daily - No Amendments
- **2020-02-12T07:00:00+00:00** Senate Committee on Business, Labor, & Technology Refer Amended to Senate Committee of the Whole `committee-passage, referral-committee`
- **2020-01-24T07:00:00+00:00** Introduced In Senate - Assigned to Business, Labor, & Technology `introduction`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/284d178a-9fe4-48a5-b91b-745b20d305a1`. Confidence: reported (aggregated from official Colorado legislature records).