It shall be unlawful for any person to smoke, or carry a lighted cigar, cigarette, pipe or match, or use any spark, flames or fire-producing device which has not been authorized for use by the Director of the Bureau of Fire Prevention, in the hereinafter described places, except in restrooms, smoking rooms and any other places designated by the owners or operators of any such premises and approved by the Director of the Bureau of Fire Prevention, to-wit:
(A) Retail selling establishments, accommodating more than 200 customers and employing 25 or more employees; and
(B) Any buildings containing explosive or highly inflammable substances thereby exposed to ignition.
(2004 Code, § 6-104) Penalty, see § 133.99