Below is a summary of the major changes:
Section 15(3) & Section 34 amended (CGST Act)
Mandatory reversal of ITC by the recipient where a credit note is issued for such discounts.
Section 54(6) & 54(14) amended (CGST Act)
Section 101A amended (CGST Act)
Section 13(8)(b) omitted (IGST Act)