Alan Shatter (Dublin South, Fine Gael) | Oireachtas source

The five states engaged in this are Austria, Germany, Italy, Sweden and Ireland. If others wanted to engage I doubt they would be prevented from engaging, but the five mentioned are the ones who have decided it is appropriate to engage. In the context of the EDA, we often see arrangements which involve only some member states and not others, particularly in the context of niche skill areas. There is nothing unusual about this.