Resource Tax Circular No. 44/2017/TT-BTC dated 12/05/2017 stipulating the price bracket for calculating natural resources tax with the same physical and chemical properties Circular No. 44/2017/TT-BTC dated 12/05/2017 Please rate us! Circular No. 12/2016/TT-BTC dated January 20, 2016 amending Circular No. 152/2015/TT-BTC Circular No. 05/2020/TT-BTC dated January 20, 2020 amending Circular No. 44/2017/TT-BTC on the price bracket for calculating natural resources tax with the same physical and chemical properties