In line with the need to ensure the effective and efficient use of radio spectrum, or the implementation of the technical implementing measures adopted under Article 4 of Decision No 676/2002/EC, Member States may allow the restriction or withdrawal of rights of use for radio spectrum, including the rights referred to in Article 49 of this Directive, based on pre-established and clearly defined procedures, in accordance with the principles of proportionality and non-discrimination.
I gcomhréir leis an ngá le húsáid éifeachtach agus éifeachtúil do speictream raidió a áirithiú nó le cur chun feidhme na mbeart cur chun feidhme teicniúil arna nglacadh faoi Airteagal 4 de Chinneadh Uimh. 676/2002/CE a áirithiú, féadfaidh na Ballstáit a cheadú go gcuirfear srian le cearta úsáide do speictream raidió nó go dtarraingeofar siar iad, lena n-áirítear na cearta dá dtagraítear in Airteagal 49 den Treoir seo, bunaithe ar nósanna imeachta réamhbhunaithe agus sainithe go soiléir, i gcomhréir le prionsabal na comhréireachta agus le prionsabal an neamh-idirdhealaithe.