Section 20-269. Automobile wreckers; fires

The occurrence, as reported by
  the fire commissioner pursuant to subdivision c of  section  27-4249  of
  the  code,  of  more  than two fires during any twelve-month period at a
  location operated for the salvage, dumping or wrecking of automobiles or
  parts thereof by a person licensed pursuant to this subchapter, shall be
  considered by the commissioner as prima facie evidence of the  existence
  of  a continuous danger to public health and safety and shall be grounds
  for the suspension or revocation of said license.