Rescission of Notification: central government revokes earlier IGST rate notification using statutory power, preserving past actions. Central Government, exercising its power under the Integrated Goods and Services Tax Act, rescinds Notification No. 15/2017-Integrated Tax (Rate) dated 30 June 2017 by issuing Notification No. 17/2017 dated 5 July 2017, effective prospectively and expressly preserving actions done or omissions effected prior to rescission.