Key dates for e-invoicing in the United Kingdom
The UK is advancing toward a fully digital and compliant invoicing ecosystem. Here are the key milestones to stay ahead of.
2019
Peppol adopted across parts of the NHS and public sector procurement.
2020
Increasing use of Peppol by local authorities and government agencies.
2025
UK Government announces plans to adopt Peppol as the preferred framework for public procurement and future e-invoicing initiatives.
This mandate currently affects e-invoicing, not e-reporting.
E-reporting is planned for the future.
E-invoicing
Mandatory
Mandatory for domestic B2B transactions
E-reporting
The Mandate
Who is in scope in the UK?
B2B
Mandatory from April 1, 2029
B2G
Public authorities must accept/process standardized electronic invoices; mandate covers B2G VAT invoices from 2029
B2C
Not in scope
Cross-border
Supported through Peppol
Invoice formats
Supported formats in the UK
Invoices must comply with the UK's e-invoicing mandate using one of the following approved formats.
Peppol BIS Billing 3.0
EN 16931 XML
Companies affected in the
UK
Suppliers to UK public sector organizations (where required by the contracting authority)
(for domestic B2B transactions)
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