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ISRlight, the smart open source solution for PostFinance AG customers


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Open an ISRlight account today to quickly and easily create invoices with an inpayment slip reference (ISR) number. This service is completely free of charge for PostFinance AG customers!

This program is provided to you by:

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This offer is not valid for citizens of the EU.

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Last Update: 16.12.2020 | Print

Introduction of QR-bill

Today's orange payment slips are still valid for 2 years. So there is no need to rush. You can continue to work with the system as before.

You can order orange payment slips at

The QR-bill will be introduced in Switzerland on June 30, 2020.

An update is necessary so that ESRlight can create QR invoices. After that, ESRlight will cost CHF 24 + VAT per year.

The corresponding work is currently underway. Because of Corona, the work has been delayed.

We are currently assuming that we can provide information on the next steps in Q1 2021.

We ask for your understanding.