Is a handwritten invoice valid?

It can be if all required details are included, but the QR payment section requires a correctly generated printed or digital document.

What should I do if there is an error on an invoice that has already been sent?

Do not delete the invoice. Issue a new corrected invoice with a new number and tell the customer that the previous invoice has been cancelled.

Do I have to state a due date?

It is not a legal requirement, but without a due date the invoice is payable on receipt, which makes overdue tracking harder.

Guide

Create a Swiss invoice

A valid Swiss invoice only requires a few essential elements. Here is the process, from a blank page to sending it to the customer.

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Atelier Rive

Atelier Rive Sàrl

Rue du Marché 12

1204 Genève

Facture

2026-014

Échéance 30.04.2026

Facturé à

Helvetia Studio SA

Bahnhofstrasse 4

8001 Zürich

Période

01.03 au 31.03.2026

TVA

CHE-123.456.789

Désignation	Qté	CHF
Mandat de conseil, mars	12 h	1 860.00
Atelier de cadrage	1	640.00
Déplacements	3	180.00

Sous-total2 680.00

TVA 8.1 %217.10

Total CHF2 897.10

Compte / payable à

CH44 3199 9123 0008 8901 2

Atelier Rive Sàrl, 1204 Genève

Référence

21 00000 00003 13947 14300 09017

Monnaie

CHF

Montant

2 897.10

1. Gather the information

Your full details, the customer's details, your IBAN and, if you are VAT-registered, your UID with the VAT designation. These details do not change from one invoice to the next, so set them once.

2. Describe the services

Each line should state the nature of the service, quantity, unit, unit price and applicable VAT rate. A description that a third party can understand is better than an internal code.

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3. Check totals and VAT

The subtotal, VAT grouped by rate and the total in francs should be shown separately. Amounts are rounded to two decimal places per line and then per rate to avoid one-centime differences.

4. Add the payment section

The lower part of the document shows the creditor, debtor, amount and QR code. This is what enables payment without re-entering data and helps you get paid faster.

Details not to forget

Name and full address of the issuer and customer
Unique invoice number and issue date
Description, quantity and price of each service
VAT rate and amount, with the UID if you are VAT-registered
Total in francs and payment details

Questions fréquentes

Is a handwritten invoice valid?: It can be if all required details are included, but the QR payment section requires a correctly generated printed or digital document.
What should I do if there is an error on an invoice that has already been sent?: Do not delete the invoice. Issue a new corrected invoice with a new number and tell the customer that the previous invoice has been cancelled.
Do I have to state a due date?: It is not a legal requirement, but without a due date the invoice is payable on receipt, which makes overdue tracking harder.

Autres guides

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