This summary presents the results of the collection of data on the number of Portable Documents A1 (PD A1) issued by the EU Member States and EFTA countries during reference year 2015. PD A1 is a formal statement on the applicable social security legislation. It proves, amongst others, that...

This summary presents the results of the data collection on the number of PDs A1 issued by the EU Member States and EFTA countries during reference year 2017. As will be shown below, these data provide more information on the size, the characteristics and the impact of intra-EU posting according...

The main principle of the EU rules on social security coordination is that persons are subject to the legislation of a single Member State only. If the person works, the legislation of the Member State where the economic activity is carried out applies ('lex loci laboris'). In some very specific...

In order to prove that a person is subject to a social security system a so-called 'Portable Document A1 (PD A1)' is issued by the Member State whose legislation remains applicable. This certificate concerns the social security legislation which applies to a person and confirms that this person...

The Portable Document A1 (PD A1) (previously the E101 certificate) establishes the presumption that the holder is affiliated to the social security system of the Member State which has issued the certificate and confirms that the person concerned has no obligations to pay social security...