Guides

Short, practical answers about e-invoices: what the rules say, and what to do.

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• E-invoicing in Germany: who must do what, and when

  Since 2025, e-invoices are the rule between businesses in Germany. What you must do already, what follows in 2027 and 2028, and who is exempt.

• XRechnung or ZUGFeRD? The formats in plain words

  Both formats meet Germany's e-invoicing rules. The difference is whether a person can read the invoice without software.

• Received an e-invoice? What to do with an XRechnung file

  Since 2025, businesses in Germany must accept e-invoices. What to do with an XML file in your inbox, without buying software.

• Correcting an e-invoice: cancellation invoices in Germany

  A sent invoice isn't changed or deleted. It's corrected with a new document that refers to the original.

• E-invoicing in France 2026–2027: the timeline and what changes

  The reform took effect on 1 September 2026. What changes for your business, and when.

• What a German invoice must contain: the § 14 UStG checklist

  If a required detail is missing, your customer can't reclaim the VAT and will ask for a new invoice. These belong on every invoice.

• Small businesses and e-invoicing in Germany (Kleinunternehmer)

  Small businesses in Germany must be able to receive e-invoices, but don't have to issue them. What that means day to day, and the limits since 2025.

• The Leitweg-ID: what it is, how it's built and where it goes

  To invoice a German public body you need its Leitweg-ID. Without it, your XRechnung doesn't reach anyone.

• Reverse charge: invoicing a business in another EU country

  When you sell to a business in another EU country you usually charge no German VAT. The invoice needs specific details instead.

• French invoice requirements: what changed in 2026 and 2027

  France's e-invoicing reform adds four details to invoices between businesses. Three have applied since 1 September 2026.