---
type: "Bill"
title: "Public health and safety; amending definition relating to the Oklahoma Underground Facilities Damage Prevention Act. Effective date."
description: "Public health and safety; amending definition relating to the Oklahoma Underground Facilities Damage Prevention Act. Effective date."
jurisdiction: "us/states/ok"
legislature: "Oklahoma Legislature"
session: "2017-2018"
identifier: "SB 997"
citation: "Oklahoma SB 997 (2017-2018)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Rader", "Thomsen"]
version_count: 5
action_count: 20
vote_count: 2
first_action: "2018-02-05"
last_action: "2018-04-26"
source: "openstates"
source_identifier: "ocd-bill/6d3dc744-7e10-4cf6-a1d9-1bcc7fc76c1f"
source_url: "http://www.oklegislature.gov/BillInfo.aspx?Bill=SB997&session=1800"
source_hash: "c8254b18b172868d9965d1b50c0ce1101e192d6e42b9afeb430525bbabc3db37"
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-ok"]
---

# Oklahoma SB 997 (2017-2018) — Public health and safety; amending definition relating to the Oklahoma Underground Facilities Damage Prevention Act. Effective date.

## Version chain

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

1. **Introduced** (filed) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2017-18 INT/SB/SB997 INT.PDF)
2. **Engrossed** (committee substitute) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2017-18 ENGR/SB/SB997 ENGR.PDF)
3. **Enrolled (final version)** (committee substitute) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2017-18 ENR/SB/SB997 ENR.PDF)
4. **Floor (House)** (committee substitute) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2017-18 FLR/HFLR/SB997 HFLR.PDF)
5. **Floor (Senate)** (committee substitute) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2017-18 FLR/SFLR/SB997 SFLR.PDF)

## Votes

- THIRD READING — **88–0** (pass) · lower
- THIRD READING — **41–2** (pass) · upper

## Sponsors

- Rader — primary (person)
- Thomsen — primary (person)

## Timeline

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

- **2018-02-05** First Reading `introduction, reading-1`
- **2018-02-05** Authored by Senator Rader
- **2018-02-06** Second Reading referred to Energy `reading-2, referral-committee`
- **2018-02-14** Coauthored by Representative Thomsen (principal House author)
- **2018-02-15** Reported Do Pass Energy committee; CR filed `committee-passage`
- **2018-03-06** General Order, Considered
- **2018-03-06** Measure passed: Ayes: 41 Nays: 2 `passage`
- **2018-03-06** Referred for engrossment
- **2018-03-07** Engrossed to House `passage`
- **2018-03-07** First Reading `introduction, reading-1`
- **2018-03-19** Second Reading referred to Utilities `reading-2, referral-committee`
- **2018-04-12** CR; Do Pass Utilities Committee `committee-passage`
- **2018-04-19** General Order
- **2018-04-19** Third Reading, Measure passed: Ayes: 88 Nays: 0 `reading-3, passage`
- **2018-04-19** Signed, returned to Senate
- **2018-04-19** Referred for enrollment
- **2018-04-23** Enrolled, to House
- **2018-04-23** Signed, returned to Senate
- **2018-04-23** Sent to Governor `executive-receipt`
- **2018-04-26** Approved by Governor 04/26/2018 `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/6d3dc744-7e10-4cf6-a1d9-1bcc7fc76c1f`. Confidence: reported (aggregated from official Oklahoma legislature records).