Get your key dates and tax deadlines for the Netherlands right here.
January 2019: Start of new tax year
February 2019: Tax Office publishes the 2018 Personal Income Statement Form and its translations
1 March 2019: You can submit your income tax return
1 May 2019: 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 2019: Deadline if you were non-resident during (part of) the year. If you filed your 2018 tax return before 1 April 2019 the tax authorities should send you a provisional tax assessment showing a refund or an amount to be paid before 1 July 2019
31 December 2019: Deadline for submitting tax declaration for 2014 tax year
31 December 2019: End of tax year