Legislation: batch D — NY OH OK OR PA RI SC SD TX UT

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

legislation/us/states/tx/86/hb-639.md

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+---
+type: "Bill"
+title: "Relating to the eligibility of land used as an ecological laboratory for appraisal for ad valorem tax purposes as qualified open-space land."
+description: "Relating to the eligibility of land used as an ecological laboratory for appraisal for ad valorem tax purposes as qualified open-space land."
+jurisdiction: "us/states/tx"
+legislature: "Texas Legislature"
+session: "86"
+identifier: "HB 639"
+citation: "Texas HB 639 (86)"
+classification: ["bill"]
+subjects: ["Agriculture (I0020)", "Education--Higher--General (I0231)", "Taxation--Property-Appraisals & Appraisal Districts (I0792)", "Taxation--Property-Exemptions (I0793)", "OPEN-SPACE LAND (S0378)"]
+status: "enacted"
+primary_sponsors: ["Nichols", "Springer"]
+version_count: 1
+action_count: 44
+vote_count: 1
+first_action: "2019-01-04"
+last_action: "2019-06-02"
+source: "openstates"
+source_identifier: "ocd-bill/aa76b280-e081-4cb6-87df-3f3b1c83a476"
+source_url: "ftp://ftp.legis.state.tx.us/bills/86R/billhistory/house_bills/HB00600_HB00699/HB 639.xml"
+source_hash: "df9d5d83c70c4fb6e6e773e1d0c328e3264d3016998fb51ecfc6b4eaf75c2408"
+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 639 (86) — Relating to the eligibility of land used as an ecological laboratory for appraisal for ad valorem tax purposes as qualified open-space land.
+
+## Version chain
+
+The bill's text revisions, in order — the diff chain from filing to enrollment.
+
+1. **Introduced** (filed) — [source](http://www.legis.state.tx.us/tlodocs/86R/billtext/html/HB00639I.HTM)
+
+## Votes
+
+- passage — **117–21** (pass) · lower
+
+## Sponsors
+
+- Nichols — primary (person)
+- Springer — primary (person)
+
+## Timeline
+
+The legislative action history — every referral, reading, and vote.
+
+- **2019-01-04** Filed `filing`
+- **2019-02-21** Read first time `introduction, reading-1`
+- **2019-02-21** Referred to Ways & Means `referral-committee`
+- **2019-03-06** Considered in public hearing
+- **2019-03-06** Testimony taken/registration(s) recorded in committee
+- **2019-03-06** Left pending in committee
+- **2019-04-03** Considered in public hearing
+- **2019-04-03** Committee substitute considered in committee
+- **2019-04-03** Reported favorably as substituted `committee-passage-favorable`
+- **2019-04-11** Comte report filed with Committee Coordinator
+- **2019-04-12** Committee report distributed
+- **2019-04-12** Committee report sent to Calendars
+- **2019-04-29** Considered in Calendars
+- **2019-05-01** Placed on General State Calendar
+- **2019-05-02** Read 2nd time `reading-2`
+- **2019-05-02** Passed to engrossment
+- **2019-05-03** Read 3rd time `reading-3`
+- **2019-05-03** Passed `passage`
+- **2019-05-03** Record vote
+- **2019-05-03** Statement(s) of vote recorded in Journal
+- **2019-05-04** Reported engrossed
+- **2019-05-06** Received from the House `introduction`
+- **2019-05-06** Read first time `introduction, reading-1`
+- **2019-05-06** Referred to Property Tax `referral-committee`
+- **2019-05-09** Considered in public hearing
+- **2019-05-13** Reported favorably w/o amendments `committee-passage-favorable`
+- **2019-05-13** Recommended for local & uncontested calendar
+- **2019-05-13** Committee report printed and distributed
+- **2019-05-15** Placed on intent calendar
+- **2019-05-17** Rules suspended-Regular order of business
+- **2019-05-17** Read 2nd time & passed to 3rd reading
+- **2019-05-17** Vote recorded in Journal
+- **2019-05-17** Three day rule suspended
+- **2019-05-17** Record vote
+- **2019-05-17** Read 3rd time `reading-3`
+- **2019-05-17** Passed `passage`
+- **2019-05-17** Record vote
+- **2019-05-17** Senate passage reported
+- **2019-05-17** Reported enrolled
+- **2019-05-20** Signed in the House
+- **2019-05-20** Signed in the Senate
+- **2019-05-21** Sent to the Governor `executive-receipt`
+- **2019-06-02** Signed by the Governor `executive-signature`
+- **2019-06-02** Effective on . . . . . . . . . . . . . . . `became-law`
+
+## Source
+
+OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/aa76b280-e081-4cb6-87df-3f3b1c83a476`. Confidence: reported (aggregated from official Texas legislature records).
+