Intra-state e-waybill effective date advanced via substitution of prior notification dates under Rule 138 authority. Under clause (d) of sub rule 14 of Rule 138 of the Nagaland GST Rules, 2017, the Commissioner amends Notification 2/2018 by substituting the previously notified date expressions with earlier dates, thereby advancing the operative time frame for intra state e waybill implementation; no other provisions of the earlier notification are altered.