Commission Regulation (EC) No 262/2009 of 30 March 2009 laying down requirements for the coordinated allocation and use of Mode S interrogator codes for the single European sky (Text with EEA relevance) (c. 262)

ANNEX III U.K. II/SI code operation referred to in Article 3(2)

6. When the II/SI code operation is activated, the lockout maps shall not be taken into account for transponders lacking SI code capability. U.K.