Polish Monitor (M.P. no 2016.1245), issued Decree of the Minister of Finance on 16 December 2016. According to the decree the limit for subtraction of interest expenses on mortgage loans for qualified taxpayers in 2017 is PLN 325,990.Generally, interest on mortgage loans is not deductible, but taxpayers who took mortgage loans in the period 1 January 2002 to 31 December 2006 maintain to qualify for such a deduction until the end of 2027.