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A query was raised regarding the appropriate withholding tax rate for collaborators working on research projects without an employment relationship with the university. The Directorate-General for Taxes (DGT) has determined that this income constitutes employment income and, as it arises from an occasional relationship, a special rate of 15% applies.
This ruling clarifies the tax treatment for researchers and collaborators working on a non-permanent basis, ensuring correct withholding tax application for university-led research projects.
The tax team reviews your specific situation.
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