Court of Justice (Grand Chamber) 3 June 2021, C-784/19 („TEAM POWER EUROPE“ EOOD v Direktor na Teritorialna direktsia na Natsionalna agentsia za prihodite - Varna.)

JUDGMENT OF THE COURT (Grand Chamber) 3 June 2021 ( *1 ) (Reference for a preliminary ruling – Migrant workers – Social security – Legislation applicable – Regulation (EC) No 883/2004 – Article 12(1) – Posting of workers – Temporary agency workers – Regulation (EC) No 987/2009 – Article 14(2) – A1 certificate – Determination of the Member State in which the employer normally carries out its