In 2004, the Ministry for Social Affairs launched a study between the various bodies to define the joint rules applying to the interoperability of information systems. This study resulted in the definition of the INTEROPS standard in 2008. In principle, this standard is based on trust between the bodies. It is intended for officials working for the bodies and offers a secure system of extension of access and authorization rights and guarantees traceability. It is available in two forms of communication: