Commencement of GST Ordinance provisions: specified sections are notified to come into force by executive appointment. The Government, exercising the power under sub section (3) of section 1 of the Goods and Services Tax Ordinance, 2017, appoints the first day of July, 2017 as the appointed date for the coming into force of specified sections concerning taxable event, supply definitions, registration, tax liability, input tax credit, returns, assessments and related procedural provisions, while excluding the provisos to sub section (9) of sections 42 and 43.