(a) This chapter applies to a person who is:
(1) a vendor; or
(2) a local government officer of a local governmental entity.
(b) A person is not subject to the disclosure requirements of this chapter if the person is:
(1) a state, a political subdivision of a state, the federal government, or a foreign government; or
(2) an employee or agent of an entity described by Subdivision (1), acting in the employee's or agent's official capacity.