GST classification changes: reclassification and new tariff entries alter state tax treatment for goods and branded packaging. The notification effects textual substitutions, insertions and omissions across Schedules I-V of the Tamil Nadu GST rate notification, reclassifying and adding HS headings, inserting new serial numbers and modifying descriptive entries by product form, packaging and brand status (including registered brand name or brand with actionable/enforceable rights), and revising the explanatory definition of 'registered brand name' to include registrations under the Trade Marks Act, the Copyright Act and foreign laws as on or after 15 May 2017; it takes effect on 15 November 2017.