ediverse

Type to search across standards, messages, tools and glossary.

ediverse Explore the platform

Spotlight PEPPOL BIS Billing 3.0 The EU e-invoicing mandate is here — France Sept 2026, Belgium Jan 2026, Germany 2025.

— 01

Foundations

— 02

Standards

— 03

Flagship messages

— 04

Tools

Liechtenstein — Swiss VAT & customs union, EEA, CHF

Liechtenstein is a singularity: an EEA member since 1995, yet tied to Switzerland by a customs union (Zollvertrag 1923), a currency union (Swiss franc CHF) and a VAT union (Mehrwertsteuer). Liechtenstein MWST applies the Swiss MWSTG law by treaty, jointly administered with the Swiss ESTV; the Steuerverwaltung FL handles the national side. No e-invoicing mandate is in force. Despite 38,000 inhabitants, the country hosts world industrial champions: Hilti (power tools, HQ in Schaan), Ivoclar (dental), Hilcona (food), ThyssenKrupp Presta (steering columns).

Regulatory timeline

  • 29 March 1923 — Zollvertrag (Customs Treaty). Liechtenstein enters a customs union with Switzerland: the Swiss customs territory encompasses the Principality, which adopts the Swiss tariff and customs rules. The historical foundation of bilateral economic integration.
  • 1980 — Währungsvertrag (Currency Treaty). The Swiss franc (CHF) officially becomes Liechtenstein's legal currency, formalising long-standing practice. Monetary policy lies with the SNB (Swiss National Bank).
  • 1 January 1995 — EEA accession and Swiss VAT union. Liechtenstein joins the EEA (via EFTA) the same day it adopts Swiss VAT (Mehrwertsteuer) through the Switzerland-Liechtenstein VAT treaty. A unique case: European internal market AND Swiss VAT union simultaneously.
  • 2010 — MWSTG overhaul. The new Swiss VAT Act (Mehrwertsteuergesetz) takes effect and applies to Liechtenstein through the treaty. The Steuerverwaltung FL and the ESTV coordinate administration; Liechtenstein taxable persons sit in the same UID register as Swiss ones.
  • 2011 — Introduction of the UID. Switzerland and Liechtenstein roll out the UID (business identification number), format CHE-###.###.###, shared between both countries for VAT and the commercial register.
  • 2018 — eBill (formerly PostFinance/SIX e-bill). The Swiss e-invoicing network eBill operated by SIX becomes the reference B2C/B2B channel in the CHF area; Liechtenstein companies access it through Swiss banks and LLB/LGT.
  • 2024-2026 — No e-invoice mandate. Neither Switzerland nor Liechtenstein imposes a general B2B e-invoicing mandate. Liechtenstein, outside the EU VAT scope, is not concerned by ViDA; it will follow Swiss developments (eBill, GS1, voluntary PEPPOL for cross-border).

Technical schema

Liechtenstein's technical landscape is, to all intents and purposes, that of Switzerland: shared UID identifier, common MWST VAT, the eBill network and GS1 Switzerland standards across industry and retail.

  • UID / VAT no. — CHE-###.###.###, suffixed MWST for VAT (e.g. CHE-123.456.789 MWST). Identical to the Swiss format; an FL taxable person is registered in the same central register as CH taxable persons.
  • eBill (SIX) — Swiss bank-oriented e-invoicing network. Not a fiscal CTC format: it is a presentment/payment channel built on the Swiss QR-bill (QR-Rechnung).
  • QR-Rechnung (QR-bill) — payment slip with a QR code (Swiss Payment Standards / SIX), carrying the IBAN/QR-IBAN and a structured reference. The CHF area's payment standard since 2020, hence used in Liechtenstein.
  • PEPPOL BIS Billing 3.0 — voluntary, mainly for cross-border B2G flows to the EU/EEA. No domestic obligation.
  • EDIFACT EANCOM / GS1 — used by the country's multinationals: Hilti (power tools, HQ Schaan), Ivoclar (dental, Schaan), Hilcona (food, Schaan), ThyssenKrupp Presta (steering columns, Eschen) for ORDERS/DESADV/INVOIC flows with their global supplier and customer networks.
textli-qr-rechnung.txt
QR-Rechnung (Swiss Payment Standards) — CHF area (CH + FL)
─────────────────────────────────────────────────────────────
Type           : QR-bill (Swiss QR Code, ISO 20022 pain.001)
Account        : QR-IBAN  LI## #### #### #### #### #  (LI prefix)
Creditor       : Ediverse Demo Anstalt, 9494 Schaan, FL
UID/VAT        : CHE-123.456.789 MWST  (shared CH/FL register)
Reference      : QR reference, 27 positions (recursive mod-10)
Currency       : CHF
Amount         : 1 250.00

Note: Liechtenstein IBANs carry the LI country prefix but operate within the Swiss payment system (SIC/euroSIC). QR-bill and eBill treat CH and LI uniformly.

Submission flow

There is no fiscal clearance flow in either Liechtenstein or Switzerland. The issuer produces the invoice (paper, PDF, QR-Rechnung, eBill or EDIFACT depending on the partner) and reports MWST on an aggregated, quarterly basis to the Steuerverwaltung FL (coordinated with the ESTV).

textli-flow.txt
┌────────────────┐   ┌────────────────────┐   ┌────────────────┐
│ Seller FL      │─> │ QR-Rechnung /      │─> │ Buyer CH/FL    │
│ (e.g. Hilti)   │   │ eBill / EDIFACT    │   │ (ERP / bank)   │
└──────┬─────────┘   └─────────┬──────────┘   └───────┬────────┘
       │                       │ (eBill via SIX)      │
       │ (quarterly aggregated MWST return)           │
       └──────────────────────────────────────────────┘
                              │
                              v
              ┌──────────────────────────────────┐
              │ Steuerverwaltung FL  ⇄  ESTV (CH) │
              │ common MWST (post-fact)           │
              └──────────────────────────────────┘

For B2G flows to EU/EEA contracting authorities, Liechtenstein companies issue PEPPOL BIS Billing 3.0 via an access point, like any cross-border supplier. Towards the Swiss administration, the eBill/QR channel prevails.

Industrial EDI is dominated by the export champions: Hilti (present in 120+ countries, global logistics hubs), ThyssenKrupp Presta (automotive JIT/JIS, Odette OFTP2, VDA), Ivoclar and Hilcona — all run mature EDIFACT/VDA EDI with their partners.

Validation

  • Tax Administration of the Principality of Liechtenstein: stv.llv.li — FL tax administration, MWST, national UID register.
  • ESTV — Swiss Federal Tax Administration: estv.admin.ch — Swiss federal administration, common CH/FL MWST.
  • Office of Statistics Liechtenstein: as.llv.li — economic statistics, business register.
  • UID Register (CH/FL): uid.admin.ch — lookup and validation of shared Swiss-Liechtenstein UIDs.
  • Swiss Payment Standards (QR-bill): paymentstandards.ch — QR-bill / eBill specifications for the CHF area.
  • helger PEPPOL validator: peppol.helger.com — for cross-border PEPPOL B2G flows to the EU/EEA.

Common pitfalls

  1. Liechtenstein ≠ EU VAT system. Although an EEA member, Liechtenstein applies Swiss MWST, not EU VAT: no LI intra-EU VAT number, no Intrastat-style EC sales list, no VIES. The tax identifier is the UID in format CHE-###.###.###, shared with Switzerland.
  2. Swiss MWST rates, not EU. 8.1% standard, 3.8% accommodation, 2.6% reduced (food, books, medicines) — since the 1 January 2024 increase. Never apply an "EU reduced rate" on an FL invoice.
  3. LI IBAN prefix in the Swiss system. Liechtenstein IBANs start with LI but route through the Swiss payment infrastructure (SIC). A payment system that only accepts CH as a valid prefix will wrongly reject perfectly valid LI QR-IBANs.
  4. EEA for goods, not for VAT. A goods delivery from the EU into Liechtenstein crosses the Swiss customs border (import) BUT benefits from EEA rules for free movement of originating goods. The dual regime (CH customs + EEA internal market) confuses ERPs configured on a "pure EU" scheme.
  5. Shared UID: do not assume nationality. A CHE-... UID may designate a Swiss OR a Liechtenstein entity. To distinguish, refer to the address (postal codes 9485-9498 = FL) or the competent commercial register, not the UID prefix.
  • Switzerland — customs, currency and VAT union partner; same UID, same MWST, same eBill.
  • Austria — German-speaking EU neighbour, contrast with FL's hybrid status.
  • Germany — industrial market for Hilti and ThyssenKrupp Presta, B2B mandate 2025.
  • Iceland — another non-EU EEA micro-state, but under its own VAT (contrast with the Swiss VAT union).
  • PEPPOL — voluntary cross-border B2G route to the EU/EEA.
  • Official sources: stv.llv.li, estv.admin.ch, as.llv.li, UID Register CH/FL.