(a) Copies of the program codes and the user and operator manuals and copies or units of all other software and any other information, specifications, or documentation required by the secretary of state relating to an approved electronic voting system and its equipment must be filed with the secretary.
(b) Materials described by Subsection (a) that are not on file with and approved by the secretary of state, including any updated or modified materials, may not be used in an election.

(c) The secretary of state shall periodically compare the materials on file with the materials actually used in elections to ensure compliance with this section.
(d) The program codes and all other software on file with the secretary of state under this section are not public information. The materials shall be made available to the attorney general or the general’s designee in any investigation of election irregularities. The materials may be made available in a judicial proceeding on the request of the court or other tribunal but may be viewed in camera only.