Exemption for public sector undertakings: inter-PSU supplies excluded from a state GST notification, altering applicability from October onward. A proviso was added to Notification No. 50/2018-State Tax excluding supplies of goods or services from one public sector undertaking to another public sector undertaking from the notification's application, irrespective of distinct person status, effective from 1st October, 2018, enacted under powers of the Himachal Pradesh Goods and Services Tax Act, 2017 on the Council's recommendation and published in the Gazette with the cited entries.