(a) The data base for the administrative code is exempt from disclosure under Chapter 552.
(b) In this section, “data base” means the machine-readable form of the material prepared for and used in the publication of the administrative code and includes:
(1) indexes;
(2) annotations;
(3) tables of contents;
(4) tables of authority;
(5) cross-references;
(6) compiled rules; and
(7) other unique material.