E-invoicing compliance and regulatory updates - Iceland
Last reviewed: July 1, 2026
Last reviewed: July 1, 2026
E-invoicing is mandatory for all public entities in B2G transactions but remains optional in B2B.
All businesses transacting with public agencies in Iceland must send invoices in electronic format.
In B2G, all invoices must be sent in electronic format via the Peppol Network following the applicable format. In B2B, e-invoicing is voluntary and based on buyer consent.
Download our Global e-invoicing and Tax Compliance fact sheet here for more information.
E-invoicing is mandatory for all public entities in B2G transactions but remains optional in B2B.
All businesses transacting with public agencies in Iceland must send invoices in electronic format.
In B2G, all invoices must be sent in electronic format via the Peppol Network following the applicable format. In B2B, e-invoicing is voluntary and based on buyer consent.
Download our Global e-invoicing and Tax Compliance fact sheet here for more information.
There is no national platform through which all invoices must be transacted. In B2G, Iceland requires the use of Peppol Network and the applicable format.
B2G e-invoices must follow the technical specifications implementing Peppol BIS 3.0. There are no specific format requirements for B2B invoices.
There is no national platform through which all invoices must be transacted. In B2G, Iceland requires the use of Peppol Network and the applicable format.
B2G e-invoices must follow the technical specifications implementing Peppol BIS 3.0. There are no specific format requirements for B2B invoices.
The minimum storage period is seven years. Electronic invoices may be stored abroad provided they are made available for auditing purposes and adequate controls and integrity assurance mechanisms are in place. The archive must be in a human-readable format.
Legal invoice:
Download our Basware Vault fact sheet here to learn more about our flexible and scalable solution.
The minimum storage period is seven years. Electronic invoices may be stored abroad provided they are made available for auditing purposes and adequate controls and integrity assurance mechanisms are in place. The archive must be in a human-readable format.
Legal invoice:
Download our Basware Vault fact sheet here to learn more about our flexible and scalable solution.
Enable compliance: In B2G, issue electronic invoices. In B2B, discuss e-invoicing options with your business partners.
Archive properly: Store VAT e-invoices electronically for seven years.
| Requirement | Status | Timeline |
| B2G | Mandatory | Since 2015 |
| B2B | Voluntary | - |
Supplier requirement: In B2G, Icelandic suppliers must issue e-invoices in Peppol BIS Billing 3.0 format. In B2B, e-invoicing may be used if the buyer agrees.
Buyer requirement: In B2G, Icelandic buyers must be able to receive and process e-invoices that follow Peppol BIS 3.0. In B2B, buyers must consent to receiving e-invoices.
Archiving requirement: Invoices must be stored electronically for seven years.
Enable compliance: In B2G, issue electronic invoices. In B2B, discuss e-invoicing options with your business partners.
Archive properly: Store VAT e-invoices electronically for seven years.
| Requirement | Status | Timeline |
| B2G | Mandatory | Since 2015 |
| B2B | Voluntary | - |
Supplier requirement: In B2G, Icelandic suppliers must issue e-invoices in Peppol BIS Billing 3.0 format. In B2B, e-invoicing may be used if the buyer agrees.
Buyer requirement: In B2G, Icelandic buyers must be able to receive and process e-invoices that follow Peppol BIS 3.0. In B2B, buyers must consent to receiving e-invoices.
Archiving requirement: Invoices must be stored electronically for seven years.
E-invoicing is mandatory for all public entities in B2G transactions but remains optional in B2B.
All businesses transacting with public agencies in Iceland must send invoices in electronic format.
In B2G, all invoices must be sent in electronic format via the Peppol Network following the applicable format. In B2B, e-invoicing is voluntary and based on buyer consent.
Download our Global e-invoicing and Tax Compliance fact sheet here for more information.
There is no national platform through which all invoices must be transacted. In B2G, Iceland requires the use of Peppol Network and the applicable format.
B2G e-invoices must follow the technical specifications implementing Peppol BIS 3.0. There are no specific format requirements for B2B invoices.
The minimum storage period is seven years. Electronic invoices may be stored abroad provided they are made available for auditing purposes and adequate controls and integrity assurance mechanisms are in place. The archive must be in a human-readable format.
Legal invoice:
Download our Basware Vault fact sheet here to learn more about our flexible and scalable solution.
Enable compliance: In B2G, issue electronic invoices. In B2B, discuss e-invoicing options with your business partners.
Archive properly: Store VAT e-invoices electronically for seven years.
| Requirement | Status | Timeline |
| B2G | Mandatory | Since 2015 |
| B2B | Voluntary | - |
Supplier requirement: In B2G, Icelandic suppliers must issue e-invoices in Peppol BIS Billing 3.0 format. In B2B, e-invoicing may be used if the buyer agrees.
Buyer requirement: In B2G, Icelandic buyers must be able to receive and process e-invoices that follow Peppol BIS 3.0. In B2B, buyers must consent to receiving e-invoices.
Archiving requirement: Invoices must be stored electronically for seven years.
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