§  18.117   Report of interference investigation.

   (a) An interim report on investigations and corrective measures taken
   pursuant to § 18.115 of this part shall be filed with the EIC of the
   local FCC office within 30 days of notification of harmful
   interference. The final report shall be filed with the EIC within 60
   days of notification.

   (b) The date for filing the final report may be extended by the
   Engineer in Charge when additional time is required to put into effect
   the corrective measures or to complete the investigation. The request
   for extension of time shall be accompanied by a progress report showing
   what has been accomplished to date.