4. No owner or lessee of land within the outer surface shall permit any part of that land to be used or developed in a manner that causes interference with any signal or communication to and from an aircraft or any facility used to provide services relating to aeronautics.

5. No owner or lessee of land in respect of which these Regulations apply shall permit an object of natural growth that is on the land to grow to a height that exceeds in elevation at the location of the object any surface referred to in section 3.

6. No owner or lessee of land within the limits of the bird hazard zone shall permit any part of that land to be used for activities or uses attracting birds that create a hazard to aviation safety and are therefore incompatible with the safe operation of the airport or aircraft.

7. These Regulations come into force on the day on which the requirements prescribed in subsection 5.6(2) of the Aeronautics Act are met.