(1) (a) Except as otherwise provided in this section, any person who carries a weapon or weapons concealed on or about his or her person such as a revolver, pistol, bowie knife, dirk or knife with a dirk blade attachment, brass or iron knuckles or any other deadly weapon commits the offense of carrying a concealed weapon.
(b) It is an affirmative defense that the defendant was engaged in any lawful business, calling, or employment at the time he or she was carrying any weapon or weapons and the circumstances in which such person was placed at the time were such as to justify a prudent person in carrying the weapon or weapons for the defense of his or her person, property, or family.
(2) This section does not apply to a person who is the holder of a valid permit issued under the Concealed Handgun Permit Act if the concealed weapon the defendant is carrying is a handgun defined in section 69-2429 RS Neb. (Ref. 28-1202 RS Neb.)