VATupdate

Share this post on

How to Log in to MCU KSeF: Step-by-Step Guide for Companies in 2026

  • The MCU (Module of Certificates and Permissions) in KSeF allows companies to manage access rights, apply for, and download KSeF certificates, which are necessary for issuing and receiving invoices.
  • Early login to MCU KSeF is recommended so companies can prepare for the mandatory e-invoicing system starting February 1, 2026, by adjusting internal procedures and IT systems.
  • Access to certificates should be strictly controlled and limited to trusted individuals to ensure data security.
  • After logging into MCU, users can manage permissions, apply for certificates, and download issued certificates.
  • The article provides a step-by-step guide for logging into MCU KSeF using the Trusted Profile (Profil Zaufany).

Source: podatki.gazetaprawna.pl

Note that this post was (partially) written with the help of AI. It is always useful to review the original source material, and where needed to obtain (local) advice from a specialist.



Sponsors:

Pincvision

Advertisements: