The introduction of the mandatory KSeF (National e-Invoicing System) will undoubtedly affect all issues related to invoicing, circulation of invoices within organizations or exchange of invoices with contractors. This will also concern self-billing, as invoices issued this way are subject to the obligation of being issued in KSeF, which will involve the necessity to properly manage the process of granting and receiving authorisations to issue invoices on behalf of a taxpayer.
Source MDDP
