Get your key dates and tax deadlines for the Netherlands right here.
January 2018: Start of new tax year
February 2018: Tax Office publishes the 2017 Personal Income Statement Form and its translations
1 March 2018: You can submit your income tax return
1 May 2018: Deadline for filing your income tax return if you receive an invitation to file. Deadline is mentioned in the letter that you receive
1 July 2018: Deadline if you were non-resident during (part of) the year. If you filed your 2017 tax return before 1 April 2018 the tax authorities should send you a provisional tax assessment showing a refund or an amount to be paid before 1 July 2018
31 December 2018: Deadline for submitting tax declaration for 2013 tax year
31 December 2018: End of tax year