In addition to the conditions under regulation 10, the following conditions may be imposed by the Commission on an apparatus assignment:  
   (a) any apparatus and the operation, location and arrangement of it shall conform to the requirements, specifications, standards, plans and procedures as approved by the Commission;  
   
   (b) the frequency, bandwidth, type of emission and power used in respect of an apparatus assignment shall be as specified by the Commission;  
   
   (c) no material change to an approved site or station related to the apparatus shall be made without the prior written approval of the Commission;  
   
   (d) an antenna which crosses above or is liable to fall upon or to be blown on to an overhead telephone, telegraph, power wire or apparatus shall be guarded to the reasonable satisfaction        of the owner of the overhead telephone, telegraph, power wire or apparatus;  

  (e) the apparatus assignment or a certified true copy of it shall be posted in a conspicuous place where the apparatus is located; and  

  (f) the Commission may require from the apparatus assignment holder any report, analysis or other information regarding an apparatus or the use of the spectrum.