Central Excise jurisdiction reorganisation: notifications vest officers with powers and redefine territorial ranges for legacy and post GST work. Notification Nos. 12/2017-14/2017 vest Central Excise officers with powers under the Central Excise Act, 1944 and Chapter V of the Finance Act, 1994, notify the territorial jurisdiction of senior Central Excise/Service Tax authorities by commissionerate, division and range, and delegate authority to Principal Chief Commissioners/Chief Commissioners to assign show cause notices to subordinate officers; Annexures I-VI set out detailed geographic boundaries and office addresses to assist taxpayer identification of jurisdiction for legacy work and post GST migration.