Eventually, the idea was promoted within the framework of the Adriatic-Ionian Initiative, and in particular its Round Table on Environmental Protection and Sustainable Development, and the representatives of the three countries concerned decided to start the preparation of the sub-regional contingency plan.

Furthermore, inspections shall be carried out regularly throughout the year in the established zones and with a frequency as outlined in Table 1. However, when climatic conditions make such inspections impossible during part of the year, Member States may lay down other inspection frequencies in the contingency plan.