Operational Programme for the Information Society (OPIS) www.opis.gov.sk OPIS is a reference document to be used as a basis for the provision of EU assistance for all projects concerning e-Government, and the digitisation and making accessible of the content of repository institutions and broadband Internet connection. It contains a description of the horizontal management of informatisation projects, which is also included in the NSRF and which will ensure the interoperability of all IS developed using structural funds in the 2007-2013 programming period.