Section 24-207. Inspection

(a) The department may inspect at any reasonable
  time and in a reasonable manner any device which creates or  may  create
  unreasonable  or  prohibited  noise  including  but  not  limited to the
  premises where the device is used.
    (b) The department may  inspect  at  any  reasonable  time  and  in  a
  reasonable manner any record relating to a use of a device which creates
  or may create unreasonable or prohibited noise.
    (c)  No person shall refuse entry or access into the public areas of a
  multiple dwelling or a place of business to an  authorized  employee  of
  the   department   or   other  authorized  city  employee  who  presents
  appropriate credentials, nor shall any person  refuse  entry  or  access
  into  any  other  portion of a premises to an authorized employee of the
  department or other authorized city employee  who  presents  appropriate
  credentials and a warrant for such inspection.
    (d)  No  person  shall  refuse  to allow an authorized employee of the
  department or other authorized city employee  who  presents  appropriate
  credentials  to  perform  reasonable  sound  testing  on  any  device or
  devices, including but not limited to requiring the  temporary  shutting
  down  of  said device or devices for the purposes of such testing except
  that upon a showing that  the  inspection  would  produce  a  noticeable
  interruption  of  services  that  would cause discomfort to employees or
  customers or require a building engineer or other professional  to  work
  with  the  equipment,  such  authorized  employee  shall  reschedule the
  inspection for a more convenient time.