Where agreements contain requirement relating to noise emission limits, Member States shall notify them to the Commission within 6 months of the entry into force of this Decision, provided they were not already notified under Decision 2006/66/EC.

The agreements to be notified shall be:

1. (a)

   national agreements between the Member States and railway undertakings or infrastructure managers, agreed on either a permanent or a temporary basis and necessitated by the very specific or local nature of the intended transport service;

2. (b)

   bilateral or multilateral agreements between railway undertakings, infrastructure managers or safety authorities which deliver significant levels of local or regional interoperability;

3. (c)

   international agreements between one or more Member States and at least one third country, or between railway undertakings or infrastructure managers of Member States and at least one railway undertaking or infrastructure manager of a third country which deliver significant levels of local or regional interoperability.