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Sec. 46.02. UNLAWFUL CARRYING WEAPONS. (a) A person commits an offense if the person intentionally, knowingly, or recklessly carries on or about his or her person a handgun, illegal knife, or club if the person is not:
(1) on the person's own premises or premises under the person's control; or
(2) inside of or directly en route to a motor vehicle or watercraft that is owned by the person or under the person's control.
(a-1) A person commits an offense if the person intentionally, knowingly, or recklessly carries on or about his or her person a handgun in a motor vehicle or watercraft that is owned by the person or under the person's control at any time in which:
(1) the handgun is in plain view, unless the person is licensed to carry a handgun under Subchapter H, Chapter 411, Government Code, and the handgun is carried in a shoulder or belt holster; or
(2) the person is:
(A) engaged in criminal activity, other than a Class C misdemeanor that is a violation of a law or ordinance regulating traffic or boating;
(B) prohibited by law from possessing a firearm; or
(C) a member of a criminal street gang, as defined by Section 71.01.
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(h) It is a defense to prosecution under Subsection (a), (a-1), (a-2), or (a-3) that the actor, at the time of the commission of the offense, displayed the handgun under circumstances in which the actor would have been justified in the use of force or deadly force under Chapter 9.