1.If there is serious doubt that a railway undertaking which it has licensed complies with the requirements of this Chapter, and in particular those of Article 18, the licensing authority may, at any time, check whether that railway undertaking does in fact comply with those requirements.
Where a licensing authority is satisfied that a railway undertaking can no longer meet the requirements, it shall suspend or revoke the licence.
2.Where the licensing authority of a Member State is satisfied that there is serious doubt regarding compliance with the requirements laid down in this Chapter on the part of a railway undertaking to which a licence has been issued by the licensing authority of another Member State, it shall inform the latter authority without delay.
3.Notwithstanding paragraph 1, where a licence is suspended or revoked on grounds of non-compliance with the requirement for financial fitness, the licensing authority may grant a temporary licence pending the reorganisation of the railway undertaking, provided that safety is not jeopardised. A temporary licence shall not, however, be valid for more than six months after its date of issue.
4.Where a railway undertaking has ceased operations for six months or has not started operations within six months of the grant of a licence, the licensing authority may decide that the licence shall be required to be resubmitted for approval or be suspended.
As regards the start of activities, the railway undertaking may ask for a longer period to be fixed, taking account of the specific nature of the services to be provided.
5.In the event of a change affecting the legal situation of an undertaking and, in particular, in the event of a merger or takeover, the licensing authority may decide that the licence shall be resubmitted for approval. The railway undertaking in question may continue operations, unless the licensing authority decides that safety is jeopardised. In that event, the grounds for such a decision shall be given.
6.Where a railway undertaking intends to significantly change or extend its activities, its licence shall be resubmitted to the licensing authority for review.
7.A licensing authority shall not permit a railway undertaking against which bankruptcy or similar proceedings have commenced to retain its licence if that authority is convinced that there is no realistic prospect of satisfactory financial restructuring within a reasonable period of time.
8.Where a licensing authority issues, suspends, revokes or amends a licence, it shall immediately inform the European Railway Agency accordingly. The European Railway Agency shall inform the licensing authorities of other Member States forthwith.