The CECIS shall consist of the following three components:

1. (a)

   a network layer, consisting of the physical network connecting the competent authorities and the contact points in the participating States and the Monitoring and Information Centre;

2. (b)

   an application layer, consisting of the databases and other information systems necessary for the functioning of the civil protection assistance interventions and in particular those needed:

   1. (i)

      for communicating notifications,

   2. (ii)

      for ensuring communication and information sharing between the Monitoring and Information Centre and competent authorities and the contact points,

   3. (iii)

      for compiling information on serums and vaccines or other medical resources and on stocks,

   4. (iv)

      for disseminating lessons learnt from interventions;

3. (c)

   a security layer, consisting of the set of systems, rules and procedures necessary for ensuring the confidentiality of the data stored in and exchanged via the CECIS.