Sec. 138.02. - Carrying concealed weapons
(A) No person shall knowingly carry or have, concealed on his person or concealed ready at hand, any deadly weapon or dangerous ordnance.
...
(C) It is an affirmative defense to a charge under this section of carrying or having control of a weapon other than dangerous ordnance, that the actor was not otherwise prohibited by law from having the weapon, and that any of the following apply:
(1) The weapon was carried or kept ready at hand by the actor for defensive purposes, while he was engaged in or was going to or from his lawful business or occupation, which business or occupation was of such character or was necessarily carried on in such manner or at such time or place as to render the actor particularly susceptible to criminal attack, such as would justify a prudent man in going armed;
(2) The weapon was carried or kept ready at hand by the actor for defensive purposes, while has was engaged in a lawful activity, and had reasonable cause to fear a criminal attack upon himself or a member of his family or upon his home, such as would justify a prudent man in going armed;
(3) The weapon was carried or kept ready at hand by the actor for any lawful purpose and while in his own home;
(4) The weapon was being transported in a motor vehicle for any lawful purpose, and was not on the actor's person, and, if the weapon was a firearm, was carried in compliance with the applicable requirements of § 138.05(C) of this title.
