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2023-03-23 • 2 min read
How Belgian excise duties are fixed and how the cliquet system works.

At random times, the Belgian government announces via the Belgian Official Journal that the compensation amount of the Belgian diesel excise duty changes. Last in the Belgian State Gazette of 29-12-2023. What is the situation and, above all, how are excise duties set in Belgium?
This starts with the periodic fixing by the Belgian State of the total rate of excise duty per litre of diesel (special excise duties). To clarify, the Special Excises does not cover the compensation to you (the compensation), but the amount that the Belgian State collects per litre of diesel. On 31 March 2023 (currently last amendment) is the Special excise duties fixed at 37,2781 ct per litre by the Belgian state. That rate is therefore not a percentage, but a fixed amount per litre.
What is the basis for that determination? If diesel prices in the international market become lower (price per barrel of oil), the Belgian State can adjust the Special Excise duties. If the price is very volatile (many fluctuations), then there are also many adjustments in the Special Excises. The Belgian State may therefore reduce the amount of excise duty per litre if the diesel price increases, in order to protect consumers and businesses from excessive fuel price increases.
In addition, periodically set a threshold amount per litre, above which transport operators receive a compensation. From 1 January 2024 is all above the 17,9281 ct per litre. The difference (37,2781 ct.17,9281 ct =) 19.35 ct per litre gives the compensation or refund amount (cliquet system). The amount of compensation therefore fluctuates with the new determination of the special excise duties. In the event of rising diesel prices, the Belgian State may therefore reduce the special excise duties, thus reducing the fees. Conversely, lower fuel prices, higher special excise duties and higher reimbursement to the transporter may also be possible.
Delta will keep an eye on the established amounts for you. From time to time, consult our website to keep up to date on excise duties. Latest news is that the compensation amount 1,35 ct. Worth checking the tank behaviour again.
Next article more about our prediction how long the compensation scheme will last.


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