Section 24-150. Smoking prohibited

It shall be unlawful for any person to
  smoke or carry a lighted cigar, cigarette, pipe or match, or to use  any
  spark,  flame or fire-producing device which has not been authorized for
  use by the commissioner, in any passenger elevator regulated pursuant to
  subchapter eighteen of chapter one of title twenty-seven  of  the  code.
  Each  elevator  car  and  each  entrance  thereto  shall  contain a sign
  directing that smoking or carrying a lighted cigar, cigarette,  pipe  or
  match, or using any spark, flame, or fire-producing device which has not
  been  authorized for use by the commissioner of buildings, is prohibited
  therein. Such sign shall be conspicuously posted and shall  be  designed
  in  such form as the commissioner shall determine. Any violation of this
  section shall be punished by a fine of not more than fifty dollars or by
  imprisonment not exceeding fifteen days, or both.