Tex. Elec. Code § 129.022 – Hardware Diagnostic Test

(a) The general custodian of election records shall conduct a successful hardware diagnostic test before a voting system is used in an election.
(b) The hardware diagnostic test must ensure that each part of the system functions properly as prescribed by the secretary of state.
Acts 2009, 81st Leg., R.S., Ch. 682 (H.B. 2524), Sec. 2, eff. September 1, 2009.