- Deadline for submitting declarations and corrections related to the EU and non-EU Mini-One-Stop-Shop (MOSS) regime in Poland is July 20
- Declarations must be submitted through the e-Deklaracje system with a qualified signature
- After July 20, any further declarations or corrections must be sent directly to the tax administration of the relevant member state
Source: globalvatcompliance.com
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.