Weekly Summary: MDDP Experts Discuss Double Taxation and KSeF Invoice Correction Changes

• MDDP experts provide insights on tax issues in recent articles and interviews
• Double taxation can affect international companies; MAP helps avoid it
• MAP allows recovery of paid taxes and resolves disputes without court proceedings
• Proper preparation is crucial for MAP; it is time-consuming but effective
• KSeF will eliminate corrective notes from February 2026
• Corrections will require issuing a corrective invoice by the seller
• Correcting buyer’s incorrect NIP requires a zero correction and a new invoice
• KSeF mandates structured corrective invoices with reference to the original invoice
• Transitional rules apply to notes issued before February 2026

Source: mddp.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.

---

---