Section 1
Sec. 1. The Secretary of Public Works and Communications is empowered, for the safety of air navigation, to prohibit the construction within three hundred meters of any established landing fields of any buildings, line poles and towers, masts, or any structures or obstructions whatsoever which project to a height of from four to ten meters above structures that will stand on the ground to a height of thirty meters or more will be constructed within a distance of three kilometers from the boundary of any established airport or landing field without the prior approval of the Secretary of Public Works and Communications.