1 Tex. Admin. Code § 81.50
Where a program is prepared for the automatic tabulating equipment to be used for counting ballots at a central counting station, the program shall be used in the tests of such tabulating equipment provided for in the Texas Election Code, Chapter 127, Subchapter D. After the completion of the first test provided for in the Texas Election Code, § RSA 127.096, the program shall be sealed with the test materials in the container provided for by the Texas Election Code, § RSA 127.099. After the completion of the second test, as provided for in the Texas Election Code, § RSA 127.097, the program shall be used for the count of ballots voted in the election. The program shall then be used in the third test, provided for in the Texas Election Code, § RSA 127.098, and then sealed with the test materials in the container provided for in the Texas Election Code, § RSA 127.099.
1 Tex. Admin. Code § 81.50