Glossary

What is the One Stop Shop (OSS)?

The One Stop Shop (OSS) is an EU VAT scheme that lets a seller declare and pay VAT on cross-border sales to consumers across the EU through a single quarterly return, instead of registering for VAT in every member state where they sell.

How does OSS work?

The seller charges the customer’s local VAT rate at the point of sale, then reports every member state’s sales on one return filed in a single country. That country’s tax authority redistributes the VAT to the others. Registration replaces what could otherwise be dozens of separate national VAT registrations.

OSS or IOSS which applies?

  • OSS covers goods already inside the EU moving cross-border to consumers, plus certain services.
  • IOSS covers goods imported from outside the EU in low-value consignments.
  • A seller holding stock in an EU warehouse and also shipping direct from outside the EU may need both.

Why it exists

OSS arrived on 1 July 2021 as part of the EU’s e-commerce VAT package, replacing the older distance selling thresholds that each member state set individually. Those thresholds meant a growing seller could trip into a new national VAT registration without noticing OSS removed that trap.

iCustoms keeps OSS and IOSS treatment straight across your EU flows, so the right scheme applies to every order.

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