Commencement of Amendment Act: provisions set to come into force, with specified sections expressly excluded. Appoints 1 February 2019 as the commencement date for the Chhattisgarh Goods and Services Tax (Amendment) Act, 2018 under sub section (2) of section 1, bringing its provisions into force except for clause (b) of section 8, section 17, section 18, and clause (a) of section 20, by State Tax notification issued in the name of the Governor.