Digital Receipts for Restaurants: What Fields Are Mandatory in 2026?

A digital receipt is an electronic proof of purchase delivered by email, SMS, or QR link instead of paper, and in most jurisdictions it must carry the same mandatory fields as a printed one.

Restaurants are switching to e-receipts to cut paper costs, capture customer data, and speed up checkout. But "going paperless" is not just turning off the printer — fiscal and consumer-protection law still applies.

What fields are mandatory on a digital receipt?

The exact list varies by country, but a defensible receipt almost always includes:

• Merchant legal name and tax/VAT ID
• Receipt or invoice number (sequential, non-resettable)
• Date and time of the transaction
• Itemized lines with quantity and unit price
• Tax breakdown (VAT/sales tax rate and amount)
• Total paid and payment method
• In many EU and Balkan markets, a fiscalization code or signature from the tax authority device

If your country mandates fiscalization (real-time reporting of each sale to the tax authority), the digital receipt must still reference that fiscal code — the medium changed, the obligation did not.

Do you need consent to email a receipt?

Yes, in most data-protection regimes. Under GDPR (EU) and CCPA (California), a customer email address is personal data. You may use it to send the transactional receipt the customer asked for, but you cannot quietly add them to a marketing list off the back of it. That requires a separate, freely-given opt-in. This is not legal advice — confirm with your accountant or counsel — but the safe pattern is: one checkbox for "email my receipt," a clearly separate checkbox for "send me offers."

How much does going paperless save?

A mid-volume restaurant printing 200 receipts a day at roughly $0.01–$0.03 per thermal slip spends $730–$2,190 a year on paper alone, before counting printer maintenance. E-receipts cut most of that. The bigger upside is data: an emailed receipt is a consented channel to a returning guest — worth far more than the paper saved.

When is it NOT worth it?

• If local law still requires a printed fiscal slip handed to the customer, digital is a supplement, not a replacement.
• Older or cash-heavy clientele may simply want paper; forcing email collection at the till slows the line and risks GDPR friction.
• If your POS cannot store consent state per customer, you create a compliance gap — capture consent or do not collect the email.

Direct Dine issues digital receipts with the mandatory fiscal fields, records email consent separately from marketing opt-in, and honors GDPR/CCPA erasure requests on the stored email — and because it is commission-free, the customer data you capture stays yours, not a marketplace's. This is not legal advice; validate field requirements with your local tax authority.