1. Where an undertaking referred to in Article 11 intends to amend the information referred to in Article 12 (1) (c) or 14 (1) (c), it shall submit the amendments to the competent authorities of the Member State of provision of services. Those amendments shall be subject to the provisions of Article 12 (3) and 14 (3), as the case may be.
2. Where the undertaking intends to extend its activities to commitments within the meaning of Article 10 in accordance with arrangements other than those laid down in Article 13 or 14 (4), it shall follow the procedure laid down in Articles 11 and 12.
3. Where the undertaking intends to extend its activities to commitments in accordance with the arrangements laid down in Article 13 or 14 (4), it shall follow the procedure laid down in Articles 11 and 14.