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Overview

The EU One Stop Shop (OSS) VAT scheme allows businesses that sell goods B2C (to private consumers) across EU borders to declare and pay all destination-country VAT through a single quarterly return filed in their home member state — instead of registering for VAT in every EU country they ship to.

This extension automates the OSS regime inside Business Central:

  • Automatically assigns the correct VAT posting groups on sales documents based on where goods are shipped from and to.
  • Applies per-item, per-country, date-effective VAT rates.
  • Generates a quarterly OSS statement by collecting the relevant VAT entries.
  • Exports the statement as an XML file in the EI1 format accepted by the Czech tax authority (Finanční správa).

OSS applies only to non-VAT-registered, non-business consumers (B2C). Customers with a VAT Registration No. or a company Registration No. cannot use OSS mode.