Regulation 13 Noise certificate requirements for civil subsonic jet aeroplanes
Subject to paragraph (2), regulation 12 shall not apply in relation to any aeroplane listed in the Schedule to these Regulations insofar as—
that aeroplane, having been granted noise certification to the standards specified in Part II, Chapter 2, Volume 1 of Annex 16/1988, operated into any airport in the territories of member States or EEA States in a twelve month reference period between 1986 and 1990 selected in conjunction with the States concerned, and
that aeroplane was on the register of the developing nation shown for that aeroplane in the Schedule to these Regulations in that twelve month reference period and continues to be used either directly or under any form of lease agreement by a natural or legal person established in that nation.
Paragraph (1) shall not apply in relation to an aeroplane listed in the Schedule to these Regulations where that aeroplane is leased to a natural or legal person who is not established in the developing nation shown for that aeroplane in the said Schedule.