(1) This section applies if:
(a) immediately before the commencement day, an approval under regulation 10 of the old regulations (including any conditions to which the approval was subject) was in force in relation to a building on land that is affected land (the relevant land ); and
(b) on or after the commencement day, the Minister declares an area to be a defence aviation area under section 117AC of the Act; and
(c) the relevant land falls within the defence aviation area.
(2) At and after the time the declaration takes effect, the approval (including any conditions to which the approval was subject) has effect as if the approval had been given under section 68F of this instrument in relation to the building.