---
type: "Bill"
title: "Relating to the admission by a party of a material and substantial change of circumstances in a motion to modify an order in certain family law cases."
description: "Relating to the admission by a party of a material and substantial change of circumstances in a motion to modify an order in certain family law cases."
jurisdiction: "us/states/tx"
legislature: "Texas Legislature"
session: "87"
identifier: "HB 851"
citation: "Texas HB 851 (87)"
classification: ["bill"]
subjects: ["CONSERVATORSHIP (S0683)", "Courts--Civil Procedure (I0135)", "Family--Child Support (I0352)", "Family--Parent & Child (I0355)"]
status: "enacted"
primary_sponsors: ["Cook", "Hughes", "Neave"]
version_count: 5
action_count: 46
vote_count: 1
first_action: "2020-12-16"
last_action: "2021-06-04"
source: "openstates"
source_identifier: "ocd-bill/2edd2eb8-535b-487b-802c-3c8895113236"
source_url: "ftp://ftp.legis.state.tx.us/bills/87R/billhistory/house_bills/HB00800_HB00899/HB 851.xml"
source_hash: "8bc1f39493623ded7b7233d35fa788f3bffa2f5362cd0d573738ea05e0ca4b5e"
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-tx"]
---

# Texas HB 851 (87) — Relating to the admission by a party of a material and substantial change of circumstances in a motion to modify an order in certain family law cases.

## Version chain

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

1. **Introduced** (filed) — [source](http://capitol.texas.gov/tlodocs/87R/billtext/html/HB00851I.HTM)
2. **Engrossed** (committee substitute) — [source](http://capitol.texas.gov/tlodocs/87R/billtext/html/HB00851E.HTM)
3. **House Committee Report** (committee substitute) — [source](http://capitol.texas.gov/tlodocs/87R/billtext/html/HB00851H.HTM)
4. **Senate Committee Report** (committee substitute) — [source](http://capitol.texas.gov/tlodocs/87R/billtext/html/HB00851S.HTM)
5. **Enrolled** (enrolled) — [source](http://capitol.texas.gov/tlodocs/87R/billtext/html/HB00851F.HTM)

## Votes

- passage — **144–5** (pass) · lower

## Sponsors

- Cook — primary (person)
- Hughes — primary (person)
- Neave — primary (person)
- Morales, Eddie — cosponsor (person)
- Vasut — cosponsor (person)

## Timeline

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

- **2020-12-16** Filed `filing`
- **2021-03-01** Read first time `introduction, reading-1`
- **2021-03-01** Referred to Juvenile Justice & Family Issues `referral-committee`
- **2021-03-08** Considered in public hearing
- **2021-03-08** Testimony taken/registration(s) recorded in committee
- **2021-03-08** Left pending in committee
- **2021-03-15** Considered in public hearing
- **2021-03-15** Reported favorably w/o amendment(s) `committee-passage`
- **2021-03-16** Comte report filed with Committee Coordinator
- **2021-03-17** Committee report distributed
- **2021-03-17** Committee report sent to Calendars
- **2021-04-09** Considered in Calendars
- **2021-04-15** Considered in Calendars
- **2021-04-20** Placed on General State Calendar
- **2021-04-20** Read 2nd time `reading-2`
- **2021-04-20** Passed to engrossment
- **2021-04-21** Read 3rd time `reading-3`
- **2021-04-21** Passed `passage`
- **2021-04-21** Record vote
- **2021-04-21** Statement(s) of vote recorded in Journal
- **2021-04-21** Reported engrossed
- **2021-04-21** Received from the House `introduction`
- **2021-05-10** Read first time `introduction, reading-1`
- **2021-05-10** Referred to State Affairs `referral-committee`
- **2021-05-13** Scheduled for public hearing on . . .
- **2021-05-13** Considered in public hearing
- **2021-05-13** Testimony taken in committee
- **2021-05-14** Reported favorably w/o amendments `committee-passage-favorable`
- **2021-05-14** Recommended for local & uncontested calendar
- **2021-05-14** Committee report printed and distributed
- **2021-05-19** Placed on local & uncontested calendar
- **2021-05-19** Laid before the Senate
- **2021-05-19** Read 2nd time & passed to 3rd reading
- **2021-05-19** Vote recorded in Journal
- **2021-05-19** Three day rule suspended
- **2021-05-19** Record vote
- **2021-05-19** Read 3rd time `reading-3`
- **2021-05-19** Passed `passage`
- **2021-05-19** Record vote
- **2021-05-19** Senate passage reported
- **2021-05-19** Reported enrolled
- **2021-05-20** Signed in the House
- **2021-05-22** Signed in the Senate
- **2021-05-22** Sent to the Governor `executive-receipt`
- **2021-06-04** Signed by the Governor `executive-signature`
- **2021-06-04** Effective on 9/1/21 `became-law`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/2edd2eb8-535b-487b-802c-3c8895113236`. Confidence: reported (aggregated from official Texas legislature records).