---
type: "Bill"
title: "Relating to a microchip scan of animals in the custody of an animal shelter or releasing agency, including an animal rescue organization."
description: "Relating to a microchip scan of animals in the custody of an animal shelter or releasing agency, including an animal rescue organization."
jurisdiction: "us/states/tx"
legislature: "Texas Legislature"
session: "87"
identifier: "HB 604"
citation: "Texas HB 604 (87)"
classification: ["bill"]
subjects: ["Animals (I0035)", "Electronic Information Systems (I0311)"]
status: "enacted"
primary_sponsors: ["Anderson", "Buckley", "Noble", "Stucky", "Thierry", "Zaffirini"]
version_count: 5
action_count: 50
vote_count: 1
first_action: "2020-11-18"
last_action: "2021-05-26"
source: "openstates"
source_identifier: "ocd-bill/7c5f0151-0b33-407d-9e4f-22781f7d6787"
source_url: "ftp://ftp.legis.state.tx.us/bills/87R/billhistory/house_bills/HB00600_HB00699/HB 604.xml"
source_hash: "23478685956b4daac5ba78d901c55c56ba76f206dd66353d456ce219d274b39e"
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 604 (87) — Relating to a microchip scan of animals in the custody of an animal shelter or releasing agency, including an animal rescue organization.

## 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/HB00604I.HTM)
2. **Engrossed** (committee substitute) — [source](http://capitol.texas.gov/tlodocs/87R/billtext/html/HB00604E.HTM)
3. **House Committee Report** (committee substitute) — [source](http://capitol.texas.gov/tlodocs/87R/billtext/html/HB00604H.HTM)
4. **Senate Committee Report** (committee substitute) — [source](http://capitol.texas.gov/tlodocs/87R/billtext/html/HB00604S.HTM)
5. **Enrolled** (enrolled) — [source](http://capitol.texas.gov/tlodocs/87R/billtext/html/HB00604F.HTM)

## Votes

- passage — **147–2** (pass) · lower

## Sponsors

- Anderson — primary (person)
- Buckley — primary (person)
- Noble — primary (person)
- Stucky — primary (person)
- Thierry — primary (person)
- Zaffirini — primary (person)
- Bettencourt — cosponsor (person)
- Buckingham — cosponsor (person)
- Cyrier — cosponsor (person)
- Lopez — cosponsor (person)
- Minjarez — cosponsor (person)
- Paxton — cosponsor (person)
- Ramos — cosponsor (person)
- Rogers — cosponsor (person)
- Spiller — cosponsor (person)
- Swanson — cosponsor (person)

## Timeline

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

- **2020-11-18** Filed `filing`
- **2021-03-01** Read first time `introduction, reading-1`
- **2021-03-01** Referred to County Affairs `referral-committee`
- **2021-03-25** Considered in public hearing
- **2021-03-25** Testimony taken/registration(s) recorded in committee
- **2021-03-25** Left pending in committee
- **2021-03-30** Considered in formal meeting
- **2021-03-30** Reported favorably w/o amendment(s) `committee-passage`
- **2021-04-01** Comte report filed with Committee Coordinator
- **2021-04-01** Committee report distributed
- **2021-04-06** Committee report sent to Calendars
- **2021-04-09** Considered in Calendars
- **2021-04-13** Placed on General State Calendar
- **2021-04-13** Read 2nd time `reading-2`
- **2021-04-13** Passed to engrossment
- **2021-04-14** Read 3rd time `reading-3`
- **2021-04-14** Passed `passage`
- **2021-04-14** Record vote
- **2021-04-14** Statement(s) of vote recorded in Journal
- **2021-04-14** Reported engrossed
- **2021-04-14** Received from the House `introduction`
- **2021-04-21** Read first time `introduction, reading-1`
- **2021-04-21** Referred to Local Government `referral-committee`
- **2021-05-03** Scheduled for public hearing on . . .
- **2021-05-03** Considered in public hearing
- **2021-05-03** Testimony taken in committee
- **2021-05-03** Left pending in committee
- **2021-05-04** Co-sponsor authorized
- **2021-05-10** Co-sponsor authorized
- **2021-05-10** Considered in public hearing
- **2021-05-11** Reported favorably w/o amendments `committee-passage-favorable`
- **2021-05-11** Recommended for local & uncontested calendar
- **2021-05-11** Committee report printed and distributed
- **2021-05-12** Placed on intent calendar
- **2021-05-13** Co-sponsor authorized
- **2021-05-13** Rules suspended-Regular order of business
- **2021-05-13** Read 2nd time & passed to 3rd reading
- **2021-05-13** Vote recorded in Journal
- **2021-05-13** Three day rule suspended
- **2021-05-13** Record vote
- **2021-05-13** Read 3rd time `reading-3`
- **2021-05-13** Passed `passage`
- **2021-05-13** Record vote
- **2021-05-13** Senate passage reported
- **2021-05-13** Reported enrolled
- **2021-05-14** Signed in the House
- **2021-05-14** Signed in the Senate
- **2021-05-14** Sent to the Governor `executive-receipt`
- **2021-05-26** Signed by the Governor `executive-signature`
- **2021-05-26** 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/7c5f0151-0b33-407d-9e4f-22781f7d6787`. Confidence: reported (aggregated from official Texas legislature records).