Section 39.07 - Failure to Comply With Immigration Detainer Request(a) A person who is a sheriff, chief of police, or constable or a person who otherwise has primary authority for administering a jail commits an offense if the person: (1) has custody of a person subject to an immigration detainer request issued by United States Immigration and Customs Enforcement; and(2) knowingly fails to comply with the detainer request.(b) An offense under this section is a Class A misdemeanor.(c) It is an exception to the application of this section that the person who was subject to an immigration detainer request described by Subsection (a)(1) had provided proof that the person is a citizen of the United States or that the person has lawful immigration status in the United States, such as a Texas driver's license or similar government-issued identification.Added by Acts 2017, Texas Acts of the 85th Leg. - Regular Session, ch. 4,Sec. 5.02, eff. 9/1/2017.