The royal decree of 3 June 2026 makes it final: since 1 July 2026, GKS 2.0 is the standard in hospitality. New businesses use it from the start; existing businesses switch according to the purchase date of their register. Here is which deadline applies to you and how to check it.
On 30 October 2026 this article replaced our post about the final extension. The grace period until 30 June 2026 is over.
If you start a hospitality business, you use GKS 2.0 straight away. Both the register and the fiscal data module (FDM, the 'black box') must be certified for GKS 2.0 by the supplier or manufacturer. There is no transition period any more.
If you already have a registered cash register, your deadline depends on the purchase date of your most recent register. The FDM date does not count.
GKS checker
Indicative, based on FPS Finance guidelines. Not tax advice.
In the FPS Finance's GKS e-service you will find your deadline under My profile > Known establishment units. You have access as the legal representative, or with the role 'FODFin Restaurantuitbaters (GKS)'.
With GKS 2.0, your register's data goes to the FPS Finance almost in real time. According to the FPS, this means fewer on-site inspections, and a GKS 2.0 register is faster and better suited to today's technology.
The FPS Finance itself recommends contacting your register supplier in good time.
Not sure whether your chip shop or business needs a certified cash register at all? Read Certified cash register for your chip shop: mandatory or not?
Source: FPS Finance, 3 June 2026 (in Dutch).
A certified cash register (in Belgium a 'white cash register' or GKS) is not mandatory for every chip shop. It depends on one thing: how much food your customers eat on the premises. Here is how the rule works, what changed with GKS 2.0 on 1 July 2026, and which deadline applies to your business.
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