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E-invoice obligation calculator: when does it apply to you?

Three questions, and you know from when you have to receive and issue e-invoices.

Do you issue invoices to other businesses in Germany (B2B)?
Are you a Kleinunternehmer (§ 19 UStG)?
Was or is your turnover in 2026 above €800,000?

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The deadlines at a glance

  • Since 1 January 2025 all businesses must be able to receive e-invoices.
  • From 1 January 2027 businesses with a turnover of more than €800,000 in 2026 must issue e-invoices.
  • From 1 January 2028 the obligation to issue applies to all other businesses in B2B trade. Kleinunternehmer are exempt from issuing.

Learn more in the guide: E-invoicing →

Frequently asked questions

Is a PDF an e-invoice?

No. An e-invoice is a structured format such as XRechnung or ZUGFeRD that software can read automatically.

Does the obligation apply to small invoices?

No. Invoices up to €250 gross (Kleinbetragsrechnungen) are exempt from the obligation to issue.

How do I create an e-invoice?

With software such as Kontelio or with our free e-invoice generator.

Invoices and taxes without a pocket calculator

Kontelio calculates VAT, deadlines and profit automatically from your invoices and receipts.

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The calculators give you a first orientation. The content is general information, not tax advice.