2000/54/EC: Commission Decision of 22 December 1999 concerning the request by the United Kingdom for a deferment, pursuant to Article 20(2) of Directive 97/33/EC (the 'Interconnection Directive'), of the obligation to introduce carrier pre-selection (notified under document number C(1999) 5030) (Text with EEA relevance) (Only the English text is authentic)