HB4638

Regular Session

Relating to the Texas Pharmaceutical Initiative.

01

Compliance Analysis

Key implementation requirements and action items for compliance with this legislation

Immediate Action Plan

Operational Changes Required

Strategic Ambiguities & Considerations

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Information presented is for general knowledge only and is provided without warranty, express or implied. Consult qualified government affairs professionals and legal counsel before making compliance decisions.

02
03

Official Analysis

Bill Text(with markup)

Quick Reference

Frequently Asked Questions

Common questions about HB4638

Q

What does Texas HB4638 do?

The State of Texas is transitioning from studying pharmaceutical costs to actively participating in the supply chain as a PBM, distributor, and potential manufacturer. While immediate compliance burdens are minimal, this legislation signals a major market disruption for vendors serving state health plans (TRS, ERS, Medicaid) and logistics providers, as the state prepares to consolidate purchasing power and infrastructure. Implementation Timeline Effective Date: June 20, 2025 (Immediate effect due to two-thirds legislative vote).

Q

Who authored HB4638?

HB4638 was authored by Texas Representative Greg Bonnen during the Regular Session.

Q

When was HB4638 signed into law?

HB4638 was signed into law by Governor Greg Abbott on June 20, 2025.

Q

Which agencies enforce HB4638?

HB4638 is enforced by Texas Pharmaceutical Initiative Board and Office of the Governor (Appointments).

Q

How urgent is compliance with HB4638?

The compliance urgency for HB4638 is rated as "low". Businesses and organizations should review the requirements and timeline to ensure timely compliance.

Q

What is the cost impact of HB4638?

The cost impact of HB4638 is estimated as "low". This may vary based on industry and implementation requirements.

Q

What topics does HB4638 address?

HB4638 addresses topics including education, education--higher, education--higher--institutions & programs, governor and health.

Legislative data provided by LegiScanLast updated: November 25, 2025

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