Officially known as The Constitution (One Hundred and First Amendment) Act, 2016, this amendment introduced a national Goods and Services Tax (GST) in India from 1 July 2017. It was introduced as the One Hundred and Twenty Second Amendment Bill to the Constitution of India.
The Act was passed in accordance with the provisions of Article 368 of the Constitution, and has been ratified by more than half of the State Legislatures, as required under Clause (2) of the said article. On 12 August 2016, Assam became the first state to ratify the bill, when the Assam Legislative Assembly unanimously approved it. State Legislatures that ratified the amendment are listed below:
The amendment was subsequently ratified by: