Commencement of specified GST provisions: certain items treated as effective earlier, while remaining items commence on a later prescribed date. The Government, invoking section 164 of the Goa Goods and Services Tax Act, 2017, appoints an earlier commencement date for serial numbers 2(i)-2(viii) of Notification No. 38/1/2017-Fin(R&C)(13)/2357, treating those provisions as deemed in force from that appointed date, while prescribing a later commencement date for serial numbers 2(ix) and 2(x).