GST on printed greeting cards taxable under Schedule 3 until the notified expiry date, per the amending notification. Printed or illustrated postcards and printed cards bearing personal greetings, messages or announcements (with or without envelopes or trimmings) are included in Schedule 3 and are subject to GST at 18%, by insertion effected through Notification No. 8/2021 Integrated Tax (Rate) with the notified effective date.