---
type: "Bill"
title: "Amend Drug Exam Regulation."
description: "Amend Drug Exam Regulation."
jurisdiction: "us/states/nc"
legislature: "North Carolina General Assembly"
session: "2009"
identifier: "SB 643"
citation: "North Carolina SB 643 (2009)"
classification: ["bill"]
subjects: ["CONTROLLED SUBSTANCES", "DRUG TESTING", "EMPLOYMENT", "PRESENTED", "PUBLIC", "RATIFIED", "TESTING", "SEN. SWINDELL", "CHAPTERED"]
status: "enacted"
primary_sponsors: []
version_count: 7
action_count: 30
vote_count: 2
first_action: "2009-03-17"
last_action: "2009-08-28"
source: "openstates"
source_identifier: "ocd-bill/2cf0a9f8-18ad-4567-b844-bec233e36897"
source_url: "http://www.ncleg.net/gascripts/BillLookUp/BillLookUp.pl?Session=2009&BillID=S643&votesToView=all"
source_hash: "c97307a5b443ad31fdf3039d1f4b7eeb9fbabcbb925cb1ed7e414cf55f412f63"
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-nc"]
---

# North Carolina SB 643 (2009) — Amend Drug Exam Regulation.

## Version chain

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

1. **Filed** (filed) — [source](http://www.ncleg.net/Sessions/2009/Bills/Senate/PDF/S643v0.pdf)
2. **A1: ARC-29-V-1** (committee substitute) — [source](https://webservices.ncleg.net/ViewBillDocument/2009/1954/0/S643-ARC-29-V-1)
3. **A1: ARK-6-V-1** (committee substitute) — [source](https://webservices.ncleg.net/ViewBillDocument/2009/1951/0/S643-ARK-6-V-1)
4. **Edition 1** (committee substitute) — [source](http://www.ncleg.net/Sessions/2009/Bills/Senate/PDF/S643v1.pdf)
5. **Edition 2** (committee substitute) — [source](http://www.ncleg.net/Sessions/2009/Bills/Senate/PDF/S643v2.pdf)
6. **Ratified** (committee substitute) — [source](http://www.ncleg.net/Sessions/2009/Bills/Senate/PDF/S643v3.pdf)
7. **SL2009-535** (committee substitute) — [source](http://www.ncleg.net/Sessions/2009/Bills/Senate/PDF/S643v4.pdf)

## Votes

- C Rpt Adopt — **112–1** (pass) · lower
- Conference Rpt\Motion 7\To Adopt — **41–0** (pass) · upper

## Sponsors

- Apodaca — cosponsor (person)
- Bingham — cosponsor (person)
- Swindell — cosponsor (person)
- Tillman — cosponsor (person)
- Vaughan — cosponsor (person)

## Timeline

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

- **2009-08-28** Ch. SL 2009-535 `became-law`
- **2009-08-28** Signed By Gov. 8/28/2009 `executive-signature`
- **2009-08-11** Pres. To Gov. 8/11/2009 `executive-receipt`
- **2009-08-11** Ratified
- **2009-08-10** Conf Report Adopted
- **2009-08-06** Conf Report Adopted
- **2009-08-06** Placed On Cal For 8/10/2009
- **2009-08-06** Conf Com Reported
- **2009-08-06** Placed On Cal For 8/6/2009
- **2009-08-06** Conf Com Reported
- **2009-07-30** Conf Com Appointed
- **2009-07-29** Conf Com Appointed
- **2009-07-29** Failed Concur In H Amend
- **2009-07-28** Placed On Cal For 7/29/2009
- **2009-07-27** Rec To Concur In H Amend
- **2009-07-27** Passed 3rd Reading `passage, reading-3`
- **2009-07-27** Amend Adopted 1 `amendment-passage`
- **2009-07-23** Passed 2nd Reading `reading-2`
- **2009-07-21** Placed On Cal For 7/22/2009
- **2009-07-21** Cal Pursuant Rule 36(b)
- **2009-07-21** Reptd Fav `committee-passage-favorable`
- **2009-07-01** Re-ref Com On Judiciary III `referral-committee`
- **2009-07-01** Reptd Fav `committee-passage-favorable`
- **2009-05-11** Ref to the Com on Commerce, Small Business, and Entrepreneurship, if favorable, Judiciary III `referral-committee`
- **2009-05-11** Passed 1st Reading `reading-1`
- **2009-05-06** Passed 2nd & 3rd Reading `passage, reading-2, reading-3`
- **2009-05-06** Amend Adopted #1 `amendment-passage`
- **2009-05-05** Reptd Fav `committee-passage-favorable`
- **2009-03-18** Ref To Com On Judiciary II `referral-committee`
- **2009-03-17** Filed `introduction`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/2cf0a9f8-18ad-4567-b844-bec233e36897`. Confidence: reported (aggregated from official North Carolina legislature records).