Article 50 2.

the fulfilment of the objectives set out in Article 3, Article 45(2) and Article 48(2), as well as public policy objectives under Union or national law;

the implementation of a technical implementing measure adopted in accordance with Article 4 of Decision No 676/2002/EC;

the review of the appropriate implementation of the conditions attached to the right concerned;

the need to promote, or avoid any distortion of, competition in line with Article 52;

the need to render the use of radio spectrum more efficient in light of technological or market evolution;

the need to avoid severe service disruption.