Legislation: batch A — AK AL AR AZ CO CT DE GA HI IA ID

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

legislation/us/states/ga/2021-22/hb-478.md

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+---
+type: "Bill"
+title: "Evidence; expert testimony in criminal cases; change rules"
+description: "A BILL to be entitled an Act to amend Chapter 7 of Title 24 of the Official Code of Georgia Annotated, relating to opinions and expert testimony, so as to change the rules of evidence regarding expert testimony in criminal cases; to provide for related matters; to provide for an effective date and applicability; to repeal conflicting laws; and for other purposes."
+jurisdiction: "us/states/ga"
+legislature: "Georgia General Assembly"
+session: "2021_22"
+identifier: "HB 478"
+citation: "Georgia HB 478 (2021_22)"
+classification: ["bill"]
+subjects: []
+status: "enacted"
+primary_sponsors: ["Bonnie Rich", "James Burchett", "Mandi Ballinger", "Micah Gravley", "Mitchell Scoggins", "Scott Holcomb"]
+version_count: 4
+action_count: 15
+vote_count: 1
+first_action: "2021-02-16"
+last_action: "2022-07-01"
+source: "openstates"
+source_identifier: "ocd-bill/f5cd821e-3172-4867-b95c-4a2bf22f5d07"
+source_url: "http://webservices.legis.ga.gov/GGAServices/Legislation/Service.svc?wsdl"
+source_hash: "f120bd97872bd4c022505f3f5d4c6ec10ca7790e5359f27d39f604b7ec3821ed"
+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-ga"]
+---
+
+# Georgia HB 478 (2021_22) — Evidence; expert testimony in criminal cases; change rules
+
+A BILL to be entitled an Act to amend Chapter 7 of Title 24 of the Official Code of Georgia Annotated, relating to opinions and expert testimony, so as to change the rules of evidence regarding expert testimony in criminal cases; to provide for related matters; to provide for an effective date and applicability; to repeal conflicting laws; and for other purposes.
+
+## Version chain
+
+The bill's text revisions, in order — the diff chain from filing to enrollment.
+
+1. **HB 478/AP*** (committee substitute) — [source](http://www.legis.ga.gov/Legislation/20212022/211157.pdf)
+2. **LC 41 2837/a** (committee substitute) — [source](http://www.legis.ga.gov/Legislation/20212022/197764.pdf)
+3. **LC 44 1884S/hcs** (committee substitute) — [source](http://www.legis.ga.gov/Legislation/20212022/204945.pdf)
+4. **LC 44 1884S/hs** (committee substitute) — [source](http://www.legis.ga.gov/Legislation/20212022/204217.pdf)
+
+## Votes
+
+- PASSAGE — **138–25** (pass) · lower
+
+## Sponsors
+
+- Bonnie Rich — primary (person)
+- James Burchett — primary (person)
+- Mandi Ballinger — primary (person)
+- Micah Gravley — primary (person)
+- Mitchell Scoggins — primary (person)
+- Scott Holcomb — primary (person)
+
+## Timeline
+
+The legislative action history — every referral, reading, and vote.
+
+- **2021-02-16** House Hopper
+- **2021-02-17** House First Readers `reading-1`
+- **2021-02-18** House Second Readers `reading-2`
+- **2022-01-27** House Committee Favorably Reported By Substitute `committee-passage-favorable`
+- **2022-02-02** House Third Readers `reading-3`
+- **2022-02-02** House Passed/Adopted By Substitute `passage`
+- **2022-02-03** Senate Read and Referred `referral-committee`
+- **2022-03-25** Senate Committee Favorably Reported `committee-passage-favorable`
+- **2022-03-28** Senate Read Second Time `reading-2`
+- **2022-03-30** Senate Third Read `reading-3`
+- **2022-03-30** Senate Passed/Adopted `passage`
+- **2022-04-06** House Sent to Governor `executive-receipt`
+- **2022-05-02** House Date Signed by Governor `executive-signature`
+- **2022-05-02** Act 743 `executive-signature`
+- **2022-07-01** Effective Date
+
+## Source
+
+OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/f5cd821e-3172-4867-b95c-4a2bf22f5d07`. Confidence: reported (aggregated from official Georgia legislature records).
+