Court of Justice rules on the withdrawal of A1 certificate and coordination of social security systems

Today, the Court of Justice has delivered its judgment in Zakład Ubezpieczeń Społecznych Oddział w Toruniu (C-422/22) concerning the interpretation of regulations on the coordination of social security systems and the arrangements with the competent institution of another Member State in the event of withdrawal of an A1 certificate.

The case involves a dispute between the Social Insurance Institution in Toruń, Poland (ZUS), and an individual named TE regarding the withdrawal of an A1 certificate, which attests to the individual's adherence to Polish social security laws. TE, a self-employed entrepreneur, had a contract to provide services in France. ZUS, after a review, withdrew the A1 certificate, stating that TE was not subject