What Are Simplified E-invoices

Most businesses hate admin. Even more so when invoicing. Imagine a 10-step process just to charge a coffee. That’s why simplified e-invoices exist. Let’s break it down.

Electronic invoicing is no longer a futuristic concept, it’s the tax administration standard for an ever‑growing number of countries. Within this digital landscape sits the simplified e‑invoice: a streamlined electronic invoice that’s faster and cheaper to issue, yet still VAT‑compliant in many situations.

• What Are Simplified E‑Invoices?

• When Can You Issue a Simplified E‑Invoice?

• What are Mandatory Contents of a Simplified E‑Invoice

• How To Start Issuing Simplified E-invoices?

What Are Simplified E‑Invoices?

A simplified invoice is an invoice containing fewer mandatory data elements than a full, or “standard,” invoice. When you issue it in purely electronic form, meaning created, transmitted, and stored digitally, it becomes a simplified e‑invoice.

The key characteristics are that it is electronic, so PDFs don’t count. It is in formats like XML, EDI, Peppol BIS, or any structured format. It requires fewer fields than normal invoice or e-invoice, that’s why it's mainly used for B2C clients.

And each country puts different thresholds and regulations, so cross-border doesn’t really work.

Simplified e-invoices are beneficial for:

• Faster checkout: Issue receipts that meet tax rules without slowing down operations.

• Easier automation: Ideal for POS systems or e-commerce platforms.

• Less friction: Customers don’t need to provide personal data for every tiny transaction.

When Can You Issue a Simplified E‑Invoice?

E-invoices lack a lot of information about the client, as they are generally not needed. That’s why they are mainly used for ecommerce, in stores, overall in B2C transactions. Most countries also regulate under which threshold you can issue an e-invoice. For example, if the invoice is above €400 you should still invoice a normal one.

Simplified e-invoices are not allowed when:

• B2B buyer wants to reclaim VAT.

• Not suited for high-value or international deals.

• Some countries don’t accept them at all.

What are Mandatory Contents of a Simplified E‑Invoice

Simplified invoices must meet minimum data requirements. It’s mainly so the purchases can be taxed, achieved and serve as proof of ownership for the client.

In most countries:

• Supplier’s full legal name and VAT ID

• Invoice date (and optionally time)

• Unique sequential invoice number

• Description of goods or services

• VAT rate applied (or reference to exemption)

• VAT amount or the phrase “VAT included” with the tax rate

• Gross amount payable

But generally doesn’t require things like the buyer’s full name or VAT ID, complete address or a detailed breakdown of services

How To Start Issuing Simplified E-invoices?

• Check local VAT guidance: Confirm thresholds, any sector‑specific exemptions, and whether advance payments qualify.

• Choose the right schema: Peppol BIS 3.0 supports simplified invoices via its credit note profile; local XML variants may exist.

• Automate numbering: Ensure your software issues a unique sequential number even when offline.

• Integrate payment links: Embedding a QR or payment URL speeds up settlement and reconciliation.

• Provide upgrade path: Let customers request a full invoice and regenerate it from the same source data.

Become Compliant Globally And Issue E-invoices In Less Than a Week

Space Invoices is compliant with current and upcoming regulations in 70+ countries worldwide. With us, you can:

• Have one API for current and future global tax and invoicing compliance, in 70+ countries,

• Save time and money with integration that takes less than a week

• Support and upsell your clients worldwide, including EU

• Ensure all documents are archived and successfully reported to responsible institutions

• Become a one-stop shop for current and future clients

• Streamline processes and eliminate manual errors, saving time and money

Do you have questions about compliance?

We are ready to help.