Tex. Codes » Election Code · TITLE 8. VOTING SYSTEMS · CHAPTER 129. DIRECT RECORDING ELECTRONIC VOTING MACHINES
Texas Codes

Tex. Elec. Code § 129.021 (2026)

Acceptance Testing

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Sec. 129.021. ACCEPTANCE TESTING. (a) In this section, "hash validation" means a mathematical function that, when applied to a file, creates a unique string of letters and numbers that may be used to confirm that a voting system and its source code have not been altered.

(b) Immediately after receiving a voting system from a vendor, the general custodian of election records shall:

(1) verify that the system delivered is certified by the secretary of state;

(2) perform a hardware diagnostic test on the system as provided by Section 129.022(b);

(3) perform a public test of logic and accuracy on the system as provided by Section 129.023;

(4) perform a hash validation on each ballot marking device, each unit of automatic tabulating equipment, and each tabulation computer to verify that the source code of the equipment has not been altered; and

(5) perform any additional test that the secretary of state may prescribe.

Amended by:

Acts 2009, 81st Leg., R.S., Ch. 682 (H.B. 2524), Sec. 2, eff. September 1, 2009.

Acts 2025, 89th Leg., R.S., Ch. 1015 (S.B. 2166), Sec. 6, eff. September 1, 2025.

Notes of Decisions
Cited in 1 case, 2016–2016 · leading case: Laura Pressley v. Gregorio \Greg\" Casar", 567 S.W.3d 28 (Tex. App.—Austin 2016).
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Laura Pressley v. Gregorio \Greg\" Casar", 567 S.W.3d 28 (Tex. App.—Austin 2016). “See Tex. Elec. Code §§ 129.021–.024; see also Andrade, 345 S.”
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