President signs GST Acts and you can download the same from here
Central Goods and Service Tax Act 2017
Integrated Goods and Service Tax Act 2017
Union Territory Goods and Services Tax Act, 2017
Goods and Services Tax (Compensation to States) Act, 2017
In case of any queries on the GST Acts, you can drop a mail to askus@india-gst.in. You will get replies within 24 to 48 hours