GST rate revision on woven and non-woven polyethylene and polypropylene packing bags effective from the notified date. Woven and non-woven bags and sacks of polyethylene or polypropylene strips, laminated or not, used for packing are classified under headings 3923 or 6305 and placed in Schedule II with a revised GST rate applied from the notified effective date, as set out in the cited notification.