— Prior consolidation of dossiers (including archival description in compliance with ISAD(G) and ISAAR(CPF) standards carried out by an archivist at the Committee of the Regions' offices),
— digitisation of paper archives in .PDF/A format,
— migration of electronic archives to .PDF/A format,
— OCR (optical character recognition) processing in all the official languages of the EU,
— transfer of these files to an analog version (microforms).