Commencement of Section 13: Himachal Pradesh GST amendment provision declared effective from 30 December 2019 by gubernatorial notification. The Governor of Himachal Pradesh, exercising powers under sub section (2) of Section 1 of the Himachal Pradesh Goods and Services Tax (Amendment) Act, 2019, appointed the 30th day of December, 2019 as the date on which the provisions of Section 13 of the Amendment Act shall come into force.