37 TAC § 35.5. Standards of Conduct

(a) The State Seal of Texas, a department seal or insignia, or the department's name or the name of a division within the department, may not be displayed as part of a uniform or identification card, as markings on a motor vehicle, or in an advertisement or on a website, other than on such items prepared or issued by the department. The department's name may be used for the limited purpose of indicating the person or company is regulated by the department.

(b) All licensees, company representatives, and employees shall cooperate fully with any investigation conducted by the department, including but not limited to the provision of employee records upon request by the department and compliance with any subpoena issued by the department. Commissioned security officers and personal protection officers shall cooperate fully with any request of the Medical Advisory Board made pursuant to Health and Safety Code, §12.095 relating to its determination of the officer's ability to exercise sound judgment with respect to the proper use and storage of a handgun. Violation of this subsection may result in the suspension of the license or commission for the duration of the noncompliance.

(c) An individual licensee issued a pocket card shall carry the pocket card on or about their person while on duty and shall present same to a peace officer or to a representative of the department upon request.

(d) A company license holder may not require a customer provide any documentation certifying that the customer has received a COVID-19 vaccination, or is in post-transmission recovery, to gain entry to the licensee's premises or to receive regulated services from the license holder.