This article is going to offer insight into some of the latest changes brought by the Regulation of the Minister of Finance, Funds and Regional Policy of 18 December 2020 amending the regulation on transfer pricing information in personal income tax and corporate income tax to be reported in TPR-P and TPR-C forms. The said provisions have been in force since 1 January 2021 and apply to transfer pricing reporting for a tax year commencing after 31 December 2019.