If your acquisition fees are less than 540€, then you do not need to fill in the "Acquisiton fees" form. taxx.lu will automatically deduct the deductible flat rate of 540€. If your acquisiton fees are higher than 540€, then please indicate these expenses in the "Acquisiton fees" form. Contributions to chambers of labor and trade unions Technical literature which serves almost exclusively to carry out the professional activity Workwear , as well as their cleaning costs Work equipment which is almost exclusively for professional purposes Training costs for continuous learning needed for your work