Knowledge base
Practical guides on the Belgian withholding obligation.
nsso·8/20/2026·7 min read
Checking social security debts: step by step
How to correctly check a contractor's social security and tax debts: what you need, how to read the result and what to do when an amount must be withheld.
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legislation·8/20/2026·8 min read
Article 30bis explained: withholding obligation and joint liability
What article 30bis of the law of 27 June 1969 actually says: who must withhold, how much, and which evidence you have to keep.
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guides·6/11/2026·9 min read
Belgian withholding obligation for contractors: complete 2026 guide
Everything about the Belgian withholding obligation in 2026: when to check, how much to withhold, who to pay and how to avoid penalties.
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