Texas Government Code - GOV'T § 552.404. Confidential Information

(a) A governmental body or a nongovernmental entity that has been requested to provide information under this subchapter may request the member of a governing board who is receiving public information that is confidential under law to sign a confidentiality agreement that covers the information and requires that:

(b) A governmental body or nongovernmental entity, by providing public information under this subchapter that is confidential or otherwise excepted from required disclosure under law, does not waive or affect the confidentiality of the information for purposes of state or federal law or waive the right to assert exceptions to required disclosure of the information in the future.