---
type: "Bill"
title: "Office of Management and Enterprise Services; requiring the Director of OMES to initiate a request for certain proposal. Effective date."
description: "Office of Management and Enterprise Services; requiring the Director of OMES to initiate a request for certain proposal. Effective date."
jurisdiction: "us/states/ok"
legislature: "Oklahoma Legislature"
session: "2021"
identifier: "SB 428"
citation: "Oklahoma SB 428 (2021)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Hilbert", "Thompson"]
version_count: 5
action_count: 20
vote_count: 0
first_action: "2021-02-01"
last_action: "2021-04-23"
source: "openstates"
source_identifier: "ocd-bill/858740de-8087-4cfa-a6da-35a98e2a9c18"
source_url: "http://www.oklegislature.gov/BillInfo.aspx?Bill=SB428&session=2100"
source_hash: "6c969f061006f7c5dddff5b5a60b350041ce9268850d7f89ef15cf7697283995"
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 428 (2021) — Office of Management and Enterprise Services; requiring the Director of OMES to initiate a request for certain proposal. 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/2021-22 INT/SB/SB428 INT.PDF)
2. **Engrossed** (committee substitute) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2021-22 ENGR/SB/SB428 ENGR.PDF)
3. **Enrolled (final version)** (committee substitute) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2021-22 ENR/SB/SB428 ENR.PDF)
4. **Floor (House)** (committee substitute) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2021-22 FLR/HFLR/SB428 HFLR.PDF)
5. **Floor (Senate)** (committee substitute) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2021-22 FLR/SFLR/SB428 SFLR.PDF)

## Sponsors

- Hilbert — primary (person)
- Thompson — primary (person)

## Timeline

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

- **2021-02-01** First Reading `introduction, reading-1`
- **2021-02-01** Authored by Senator Thompson
- **2021-02-02** Second Reading referred to General Government `reading-2, referral-committee`
- **2021-02-10** Coauthored by Representative Hilbert (principal House author)
- **2021-02-11** Reported Do Pass General Government committee; CR filed `committee-passage`
- **2021-03-04** General Order, Considered
- **2021-03-04** Measure passed: Ayes: 43 Nays: 0 `passage`
- **2021-03-04** Referred for engrossment
- **2021-03-08** Engrossed to House `passage`
- **2021-03-08** First Reading `introduction, reading-1`
- **2021-03-22** Second Reading referred to General Government `reading-2, referral-committee`
- **2021-04-08** CR; Do Pass General Government Committee `committee-passage`
- **2021-04-19** General Order
- **2021-04-19** Third Reading, Measure passed: Ayes: 95 Nays: 0 `passage, reading-3`
- **2021-04-19** Signed, returned to Senate
- **2021-04-19** Referred for enrollment
- **2021-04-20** Enrolled, to House
- **2021-04-20** Signed, returned to Senate
- **2021-04-20** Sent to Governor `executive-receipt`
- **2021-04-23** Approved by Governor 04/23/2021 `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/858740de-8087-4cfa-a6da-35a98e2a9c18`. Confidence: reported (aggregated from official Oklahoma legislature records).