Texas Local Government Code - LOC GOV'T § 202.002. Litigation and Open Records Requests

(a) Regardless of any other provision of this subtitle or rules adopted under it, a local government record the subject matter of which is known by the custodian to be in litigation may not be destroyed until the litigation is settled.

(b) Regardless of any other provision of this subtitle or rules adopted under it, a local government record subject to a request under Chapter 552,  1 Government Code, may not be destroyed until the request is resolved.