(1) The company shall by order made with the consent of the Minister and the Minister for Defence designate areas of Irish airspace (an area so designated being referred to in this section as "a designated area") for use by the Defence Forces.
(2) Aircraft other than aircraft of the Defence Forces shall not enter a designated area without the permission of the person operating air navigation services in the area.
(3) Air navigation services in a designated area may be provided and operated by the Minister for Defence or, with the consent of the Minister for Defence, by the company or, by agreement between them, by the Minister for Defence and the company.