Simultaneous pursuit of activities in the territory of two or more Member States

These are situations of:

1. A worker, simultaneously or alternately, carries out one or more separate activities in two or more Member States for the same undertaking or employer or for different undertakings or employers. The situation is regulated by Article 13(1) of Regulation No 883/2004,
2. A self-employed person, simultaneously or alternately, pursues one or more separate self-employed activities, regardless of the nature of those activities, in two or more Member States. The situation is regulated by Article 13(2) of Regulation No 883/2004,
3. A person usually works as an employee and a self-employed person in different Member States. The situation is regulated by Article 13(3) of Regulation No 883/2004,
4. A person is employed as a civil servant by one Member State and works as an employed or self-employed person in one or more Member States. The situation is regulated by Article 13(4) of Regulation No 883/2004.

Notification obligation of the person
A person pursuing an activity in the territory of two or more Member States is obliged to notify the institution of a Member State of residence in accordance with Article 16(1) of Regulation 987/2009. In the Czech Republic, notification obligation shall be fulfilled by submitting one of the following requests, depending on the specific situation:

• Request for determination of legislation applicable for an employee
• Request for determination of legislation applicable for a self-employed person
• Request for determination of legislation applicable for an employed person, who is simultaneously self-employed

The situation is regulated by Article 13 of Regulation No 883/2004. If the Czech legislation applies, the A1 form is issued by Social Security Administration. More on part A1 form.