Commencement of amended GST provisions set for February first, with specified sections excluded by state notification. The State Government, under sub section (2) of section 1 of the Madhya Pradesh Goods and Services Tax (Amendment) Act, 2019, appoints the 1st day of February, 2019 as the date on which the provisions of the Amendment Act shall come into force, except clause (b) of section 10, Section 19, section 20, and clause (a) of section 22.