Article 13 1.

The general authorisation for the provision of electronic communications networks or services and the rights of use for radio spectrum and rights of use for numbering resources may be subject only to the conditions listed in Annex I. Such conditions shall be non-discriminatory, proportionate and transparent. In the case of rights of use for radio spectrum, such conditions shall ensure the effective and efficient use thereof and be in accordance with Articles 45 and 51, and, in the case of rights of use for numbering resources, shall be in accordance with Article 94.