The aim of the project is to achieve interoperability between the Information Systems of the public administration bodies, through the development of Internet services. (G2G Web Services). The implementation of the project contributes to:- Improvement of transactions between State Bodies (G2G), which is considered a necessary condition for the further development of e-Governance actions. In this way, the interoperability of public administration bodies is achieved in practice and the provision of integrated services to citizens and businesses is enhanced.- The creation of a framework for uniform operation and cooperation between the public administration bodies, which contributes to the effective control and monitoring of its operation and to the immediate support of the decision-making process.- Improving transactions between public administration bodies and citizens (G2C), as well as between entities and businesses (G2B).- The creation and provision of services of common interest for public administration bodies, which will enable the upgrading of the electronic services of the operators to the maximum possible level of electronicisation.