Hoge Raad dismisses tax appeal regarding incorrect calculation of income tax and social security premiums.

The Supreme Court dismissed the cassation appeal filed by the taxpayer against the Court of Appeal's decision on income tax and social security premiums. The taxpayer argued that the lower courts incorrectly calculated the tax base and applied the wrong deduction rules for specific expenses. The court found no error in the application of the Income Tax Act and the Social Insurance Act, upholding the original judgment.