Chassis number (see registration certificate)

Purchase invoice or rental/leasing invoice/contract (if recently acquired)

Monthly travel expenses (e.g. gas, insurance, tax, credit)

If you have an Internet, TV and mobile phone package: monthly amount and package details

Number of km between home and permanent workplace (= a workplace where you spend more than 40 days a year)

If you are a homeowner: surface area (in m2) of your home and office space (separate office room), monthly amount of current charges (e.g. water, electricity, heating, insurance, property tax, condominium fees).

If you are a company: amount of non-indexed cadastral income

Current year's payslip if employed

Amounts received if other income (e.g. unemployment, mutual insurance, scholarship)