The document summarizes key changes to EU social security coordination regulations regarding modernized rules for old-age pensions. It highlights increased cooperation between social security institutions, including a proactive role for contact institutions to provide advice and information to citizens. Other changes discussed include provisions for child-raising periods, assimilation of facts between countries, and a right to review pension decisions impacted by interactions between multiple institutions. Current issues before the Administrative Commission relate to explanatory notes, portable documents, and periods of coverage.