Electronic invoicing guide
United Kingdom
Digital reporting requirements
B2G NHS (National Health System): Peppol
B2G: Post-Audit
B2B: Post-Audit
Obligatory
B2G: NHS (National Health System): e-Order mandatory for NHS trusts
B2G and B2B: no explicit requirements
Authority
His Majesty’s Revenue and Customs (HMRC) and Crown Commercial Service.
Platform
B2G NHS (National Health System): Peppol
Scotland: PECOS P2P
Format
B2G NHS (National Health System): Peppol
Scotland: PECOS P2P
Storage time
6 years
Reporting and processes
Upcoming legislative changes
The United Kingdom has approved the introduction of mandatory e-invoicing starting in April 2029.
All VAT B2B and B2G invoices will have to be electronic and structured, moving away from paper invoices and PDFs sent by email.The technical details and the phased implementation by company size have yet to be defined. The government will publish a detailed roadmap in 2026 outlining timelines and requirements.
It is likely that the model will be based on PEPPOL, which is already used in parts of the UK public sector.
Links of Interest and documents
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