On 6 October 2016, the Parliament passed an act amending certain acts setting out the conditions for carrying out innovative business activity (hereinafter: the "Amendment"). The Amendment provides, among others, for modifications to the Personal Income Tax Act of 26 July 1991 (i.e. Journal of Laws of 2012, item 361; as amended; the “PIT Act”) and the Corporate Income Tax Act of 15 February 1992 (i.e. Journal of Laws of 2014, item 851; as amended; the “CIT Act”) in respect of R&D tax relief, which would take effect as of 1 January 2017. The R&D tax relief has been applied since 1 January 2016. For more information, please read our Tax Alert of 12 January 2016 - New R&D tax relief.