Section 28-502.5. Display of name and registration number of outdoor advertising company

On and after a date to be prescribed by  rule,  the  commissioner   shall  require  that  each  outdoor  advertising  company
  display, in a manner to be provided by rule,  on  each  sign  under  its
  control or on the building or premises where each sign under its control
  is located or both, (i) the name and registration number of such company
  and,   (ii)   unless   a   permit  is  not  required,  the  work  permit
  identification number for the installation, alteration  or  erection  of
  the  sign pursuant to chapter 1 of this code and, if applicable, for the
  maintenance of the sign pursuant to article 501.