GST classification altered for navigational instruments; item omitted by notification, changing its scheduled tax treatment. Tariff item 9014 falls under Schedule 4 and is subject to a high GST rate until the stated terminal date; the entry was omitted by a notification effective in November 2017, and previously described direction-finding compasses and other navigational instruments and appliances, altering the tariff description and Schedule 4 tax characterization for those goods.