1. In the case of a batch file transfer from a single payer where the payment service providers of the payees are established outside the Union, Article 4(1) shall not apply to the individual transfers bundled together therein, provided that the batch file contains the information referred to in Article 4(1), (2) and (3), that that information has been verified in accordance with Article 4(4) and (5), and that the individual transfers carry the payment account number of the payer or, where Article 4(3) applies, the unique transaction identifier.