Canadian Aviation Regulations

601.25 (1) If the Minister determines that a building, structure or object, other than a building, structure or object described in section 601.23, is hazardous to air navigation because of its height or location, the Minister shall require the person who has responsibility for or control over the building, structure or object to mark and light it in accordance with the requirements of Standard 621.

(2) A person who is required by the Minister to mark and light a building, structure or object under subsection (1) shall

• (a) do so within six months; and

• (b) cause to be received at the appropriate air traffic control unit or flight service station a notice identifying the nature, location and height of the building, structure or object.