It shall be unlawful for anyone:
A. As a hoax, to communicate or cause to be communicated the fact that a bomb or any other explosive device has been placed in any building or in any location other than a building.
B. As a hoax, to threaten to bomb any person, place or building.
C. To knowingly permit any telephone or other means of communication under his control to be used for any purposes prohibited by this section.
D. As a hoax, to place or cause to be placed in any location any article, constructed or placed with intent to give the impression that said article possesses explosive capability. (Ord. 47, sec. 10, 1970)