Social Security EU ruling clarifies social security calculation for multi-state workers CJEU overturns long-held assumptions about working time, with significant implications for cross-border employees iStock.com/olrat Image Dhruv Tanna Director, Andersen Wednesday 28 January 2026 In December 2025, the Court of Justice of the European Union (CJEU) issued a landmark ruling (C-743/23) with ramifications for EU social security coordination. Get AccessContinue reading Global Mobility LawyerAlready have access? Login now Email Enter your email address. Password Enter the password that accompanies your email address. Reset your passwordLog in Need access? Find out how to enjoy unlimited accessGet access You might also like... Social Security Malaysian reforms to boost migrant social security protection Income Tax Oman to introduce personal income tax Income Tax Expat tax considerations: Exploring global destinations Income Tax High earners in Brazil to be taxed on expanded income sources