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The deadline, format, and obligation for every country with an active or upcoming e-invoicing mandate — in one place, updated as rules change. No sign-up.
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← All mandates
SI
EU · Decentralised exchange via registered e-route providers, Peppol, direct connection or the free FURS application; no clearance, no tax-authority reporting
B2G has run on e-SLOG through the UJP since 2015. ZIERDED (Uradni list RS 85/2025) makes e-invoice exchange mandatory for all domestic B2B supplies from 1 Jan 2028.
Future
Applies to
B2B, B2G
January 1, 2028
Next phase deadline
B2B mandatory 1 Jan 2028 (ZIERDED)
Three questions. The fixed-establishment rule is where most foreign businesses get it wrong.
Is your business established in Slovenia (registered office, branch or fixed establishment)?
Do you make intra-EU B2B supplies involving Slovenia?
Slovenia: likely outside the issuing mandate — watch e-reporting / cross-border
VAT registration or trading alone, without a fixed establishment, usually keeps you outside Slovenia's issuing obligation — but you may still face e-reporting or need to receive structured e-invoices. Confirm your establishment status.
Not in scope for Slovenia
With no establishment and no registration or trade in Slovenia, the mandate doesn't apply to you today. Revisit this if you open a branch, warehouse or start supplying into Slovenia.
Slovenia: domestic B2B from 1 Jan 2028 – ViDA from July 2030
Slovenia's domestic B2B mandate is adopted law: e-invoice exchange becomes mandatory for domestic supplies from 1 January 2028 under ZIERDED, and ViDA makes structured e-invoicing and digital reporting mandatory for intra-EU B2B from 1 July 2030. Build EN 16931 / Peppol capability now.
No e-invoicing mandate applies in Slovenia today
No domestic B2B e-invoicing mandate applies in Slovenia yet, but ZIERDED makes e-invoice exchange mandatory for domestic B2B from 1 January 2028; B2G e-invoicing has been mandatory since 2015. Prepare for the 2028 start and the 2030 ViDA date.
A single date hides the rollout. Here's the full sequence.
1 January 2015
B2G e-invoicing
B2G e-invoicing to public-sector buyers has been mandatory since 1 January 2015 via the Public Payments Administration (UJP) in e-SLOG; a Peppol entry point was added in 2018.
Done
1 April 2027
E-route providers
Chapter 4 of ZIERDED applies (provider registration, testing, service levels); the official list of e-route providers is established on 1 October 2027.
Next
1 January 2028
All business entities – domestic B2B
Exclusive e-invoice exchange for all domestic B2B supplies under ZIERDED (Uradni list RS 85/2025); fines apply.
Future
1 July 2030
ViDA — intra-EU B2B
Structured e-invoicing and digital reporting become mandatory for intra-EU B2B transactions under ViDA.
Future
The standards, scope and dates that define the mandate – at a glance.
Transaction scope
B2B, B2G
Model
Decentralised exchange via registered e-route providers, Peppol, direct connection or the free FURS application; no clearance, no tax-authority reporting
Formats
e-SLOG, any EN 16931-compliant syntax, or another structured standard agreed between the parties
Region
EU
STATUS
Future
Scope
From 1 Jan 2028 all business entities in the Business Register and sole traders must exchange only e-invoices for domestic supplies of goods and services (art. 7 ZIERDED). B2C optional. Implementing rules are due within 12 months of entry into force (around Dec 2026); the provider chapter applies from 1 Apr 2027; the provider list from 1 Oct 2027.
ZIERDED art. 24: legal persons €1,000–3,000, sole traders €500–1,500, responsible persons €100–500; art. 25 (consumer-related breaches): €500–1,500 / €100–500 / €50–250.
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