Tex. Health & Safety Code § 573.001 : HEALTH AND SAFETY CODE — MENTAL HEALTH AND INTELLECTUAL DISABILITY — TEXAS MENTAL HEALTH CODE — EMERGENCY DETENTION — APPREHENSION BY PEACE OFFICER OR TRANSPORTATION FOR EMERGENCY DETENTION BY GUARDIAN — Apprehension By Peace Officer Without Warrant

(a) A peace officer, without a warrant, may take a person into custody, regardless of the age of the person, if the officer:
(1) has reason to believe and does believe that:
(A) the person is a person with mental illness; and
(B) because of that mental illness there is a substantial risk of serious harm to the person or to others unless the person is immediately restrained; and
(2) believes that there is not sufficient time to obtain a warrant before taking the person into custody.
(b) A substantial risk of serious harm to the person or others under Subsection (a)(1)(B) may be demonstrated by:
(1) the person's behavior; or
(2) evidence of severe emotional distress and deterioration in the person's mental condition to the extent that the person cannot remain at liberty.
(c) The peace officer may form the belief that the person meets the criteria for apprehension:
(1) from a representation of a credible person; or
(2) on the basis of the conduct of the apprehended person or the circumstances under which the apprehended person is found.
(d) A peace officer who takes a person into custody under Subsection (a) shall immediately:
(1) transport the apprehended person to:
(A) the nearest appropriate inpatient mental health facility; or
(B) a mental health facility deemed suitable by the local mental health authority, if an appropriate inpatient mental health facility is not available; or
(2) transfer the apprehended person to emergency medical services personnel of an emergency medical services provider in accordance with a memorandum of understanding executed under Section 573.005 for transport to a facility described by Subdivision (1)(A) or (B).
(e) A jail or similar detention facility may not be deemed suitable except in an extreme emergency.
(f) A person detained in a jail or a nonmedical facility shall be kept separate from any person who is charged with or convicted of a crime.
(g) A peace officer who takes a person into custody under Subsection (a) shall immediately inform the person orally in simple, nontechnical terms:
(1) of the reason for the detention; and
(2) that a staff member of the facility will inform the person of the person's rights within 24 hours after the time the person is admitted to a facility, as provided by Section 573.025(b).
(h) A peace officer who takes a person into custody under Subsection (a) may immediately seize any firearm found in possession of the person. After seizing a firearm under this subsection, the peace officer shall comply with the requirements of Article 18.191, Code of Criminal Procedure.

Tex. Health and Safety Code § 573.001

Amended by Acts 2019, Texas Acts of the 86th Leg.- Regular Session, ch. 988,Sec. 4, eff. 9/1/2019.
Amended by Acts 2017, Texas Acts of the 85th Leg. - Regular Session, ch. 541,Sec. 2, eff. 6/9/2017.
Amended by Acts 2015, Texas Acts of the 84th Leg. - Regular Session, ch. 1236,Sec. 21.001, eff. 9/1/2015.
Amended by Acts 2015, Texas Acts of the 84th Leg. - Regular Session, ch. 1,Sec. 3.1366, eff. 4/2/2015.
Amended by Acts 2013, 83rd Leg. - Regular Session, ch. 776,Sec. 1, eff. 9/1/2013.
Amended by Acts 2013, 83rd Leg. - Regular Session, ch. 318,Sec. 1, eff. 9/1/2013.
Amended by Acts 2001, 77th Leg., ch. 367, Sec. 5, eff. 9/1/2001.
Added by Acts 1991, 72nd Leg., ch. 76, Sec. 1, eff. 9/1/1991.