Effective date insertion clarifies when the amended Punjab SGST notification takes effect for the prior notification. Amendment inserts the words and figures 'on and with effect from the 13th October, 2017' after the phrase 'following amendment' in Notification No. S.O.70/P.A.5/2017/S.9/2017, effected under powers conferred by section 9(3) of the Punjab Goods and Services Tax Act, 2017 and promulgated by the Department of Excise and Taxation.