Texas Health and Safety Code - HEALTH & SAFETY § 437B.201. Investigation

(a) The department or a local authority may investigate a mobile food vendor on reasonable suspicion the vendor is violating the law or on receipt of a health or safety complaint.  The department must record a complaint in the state's mobile food vendor database.  The local authority shall report suspected violations of state law to the department and may recommend the department suspend or revoke a mobile food vendor license.

(b) The mobile food vendor shall cooperate with the department or local authority during an investigation.  Failure to cooperate with the department or local authority may result in suspension or revocation of a license.

(c) This chapter may not be construed to impede the department or local authority when conducting an investigation of a reported foodborne illness.