Q: What are the retention requirements for Norwegian electronic invoices?

Under Bokføringsloven § 13 , sales invoices and primary accounting vouchers must be retained for five years after the end of the financial year. From 1 January 2027, electronic invoices must be stored in their original structured format.

Question 1

Is B2B e-invoicing currently mandatory in Norway?

Accepted Answer

No, general B2B electronic invoicing is not mandatory in Norway as of October 2026. Mandatory structured electronic invoice issuance for qualifying transactions between bookkeeping-liable enterprises begins on 1 January 2027 under Law No. 39 of 19 June 2026.

Question 2

When must Norwegian businesses be able to receive electronic invoices?

Accepted Answer

The general reception obligation begins on 1 January 2030 under FOR-2026-09-25-1913 § 1, subject to statutory exemptions. During 2027 to 2029, official guidance says issuance will apply in practice where the bookkeeping-liable buyer has electronic receiving functionality through ELMA/Peppol.

Question 3

Are PDF invoices compliant under the 2027 e-invoicing rules?

Accepted Answer

A PDF-only invoice does not satisfy the structured electronic-invoice requirement where the 2027 B2B mandate applies. Under amended Bokføringsloven § 3 no. 3, the invoice must be capable of automated accounting processing in a structured electronic format. Excluded transactions remain subject to their applicable documentation rules.

Question 4

Which structured formats are approved for Norwegian e-invoicing?

Accepted Answer

Approved standards from 2027 include EHF Fakturering, Peppol BIS Billing, EHF Selvfakturering and Peppol BIS Self-Billing, each version 3.0 or later, under Bokføringsforskriften § 5-2-9. Until 1 January 2030, trading partners may agree qualifying alternative structured formats. The Tax Administration identifies EDIFACT and E2B as examples.

Question 5

Are foreign suppliers required to issue electronic invoices in Norway?

Accepted Answer

Foreign suppliers may be required to issue approved e-invoices under Norwegian public procurement contracts regardless of their Norwegian bookkeeping status. The 2027 B2B mandate depends on the statutory bookkeeping liability of the relevant parties. Under Bokføringsloven § 2, suppliers subject solely to the specified simplified VAT-return obligation are excluded from bookkeeping liability on that basis.

Question 6

How often must businesses submit VAT returns in Norway?

Accepted Answer

Most VAT-registered businesses submit returns every two months under Skatteforvaltningsforskriften § 8-3-1. Businesses with qualifying annual taxable supplies and withdrawals not exceeding NOK 1 million may apply for annual reporting, subject to further conditions. Their annual deadline is 10 March; qualifying primary industries generally report by 10 April.

Question 7

What are the retention requirements for Norwegian electronic invoices?

Accepted Answer

Under Bokføringsloven § 13, sales invoices and primary accounting vouchers must be retained for five years after the end of the financial year. From 1 January 2027, electronic invoices must be stored in their original structured format.

Question 8

Does Norway operate a real-time invoice clearance system?

Accepted Answer

No general invoice-level tax-authority clearance or continuous transaction reporting mandate was identified in the Norwegian provisions inspected as at 19 October 2026. The identified requirements include periodic VAT returns and SAF-T data supplied for control on request. Peppol is used for covered B2G exchanges but is not established as the exclusive B2B channel.

Norvège

Exigences de facturation électronique en Norvège

Exigences de facturation électronique en Norvège

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