---
type: "Bill"
title: "Cities and towns; modifying population requirement for authorization of certain construction projects. Effective date."
description: "Cities and towns; modifying population requirement for authorization of certain construction projects. Effective date."
jurisdiction: "us/states/ok"
legislature: "Oklahoma Legislature"
session: "2020"
identifier: "SB 400"
citation: "Oklahoma SB 400 (2020)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Lepak", "Paxton"]
version_count: 9
action_count: 24
vote_count: 2
first_action: "2019-02-04"
last_action: "2019-05-14"
source: "openstates"
source_identifier: "ocd-bill/921fa267-981e-4a13-9e8c-6c78b9f9490d"
source_url: "http://www.oklegislature.gov/BillInfo.aspx?Bill=SB400&session=2000"
source_hash: "a9e823a6b47ba3d7ef67b76230ad45caa53c7a8d2018def34d99ccb40c1a80d6"
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 400 (2020) — Cities and towns; modifying population requirement for authorization of certain construction projects. 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/2019-20 INT/SB/SB400 INT.PDF)
2. **Amended And Engrossed** (committee substitute) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2019-20 AMENDMENTS/Amendment & Engr/SB400 HASB & ENGR.PDF)
3. **Engrossed** (committee substitute) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2019-20 ENGR/SB/SB400 ENGR.PDF)
4. **Enrolled (final version)** (committee substitute) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2019-20 ENR/SB/SB400 ENR.PDF)
5. **Floor (House)** (committee substitute) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2019-20 FLR/HFLR/SB400 HFLR.PDF)
6. **Floor (Senate)** (committee substitute) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2019-20 FLR/SFLR/SB400 SFLR.PDF)
7. **House Committee Substitute for Senate Bill** (committee substitute) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2019-20 COMMITTEE SUBS/HCSS/SB400 HCS.PDF)
8. **SB400 (3-05-19) (PAXTON) FA1.PDF** (committee substitute) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2019-20 FLOOR AMENDMENTS/Senate/SB400 (3-05-19) (PAXTON) FA1.PDF)
9. **SB400 FULLAMD1 BRAD BOLES-AMM.PDF** (committee substitute) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2019-20 COMMITTEE AMENDMENTS/House/SB400 FULLAMD1 BRAD BOLES-AMM.PDF)

## Votes

- THIRD READING — **40–6** (pass) · upper
- FOURTH READING — **45–0** (pass) · upper

## Sponsors

- Lepak — primary (person)
- Paxton — primary (person)

## Timeline

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

- **2019-02-04** First Reading `introduction, reading-1`
- **2019-02-04** Authored by Senator Paxton
- **2019-02-05** Second Reading referred to General Government `referral-committee, reading-2`
- **2019-02-06** Coauthored by Representative Lepak (principal House author)
- **2019-02-28** Reported Do Pass General Government committee; CR filed `committee-passage`
- **2019-03-11** General Order, Amended
- **2019-03-11** Measure passed: Ayes: 40 Nays: 6 `passage`
- **2019-03-11** Referred for engrossment
- **2019-03-12** Engrossed to House `passage`
- **2019-03-12** First Reading `introduction, reading-1`
- **2019-03-19** Second Reading referred to County and Municipal Government `referral-committee, reading-2`
- **2019-04-15** CR; Do Pass, amended by committee substitute County and Municipal Government Committee `committee-passage`
- **2019-04-25** General Order
- **2019-04-25** Third Reading, Measure passed: Ayes: 77 Nays: 19 `passage, reading-3`
- **2019-04-25** Referred for engrossment
- **2019-04-29** Engrossed, signed, to Senate `passage`
- **2019-04-29** HAs read
- **2019-05-07** HAs adopted
- **2019-05-07** Measure passed: Ayes: 45 Nays: 0 `passage`
- **2019-05-07** Referred for enrollment
- **2019-05-08** Enrolled, to House
- **2019-05-08** Signed, returned to Senate
- **2019-05-08** Sent to Governor `executive-receipt`
- **2019-05-14** Approved by Governor 05/14/2019 `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/921fa267-981e-4a13-9e8c-6c78b9f9490d`. Confidence: reported (aggregated from official Oklahoma legislature records).