Jurisdiction of Chief Commissioner Guwahati reallocated under GST notifications covering northeastern commissionerates and combined appeals and audit jurisdictions. The GST notification defines territorial competence for the Chief Commissioner, Central Excise & Service Tax, Guwahati by allocating specific districts and states to designated Commissionerates (Guwahati, Dibrugarh, Shillong, Itanagar, Dimapur, Imphal, Aizawl, Agartala), detailing divisional and range-level coverage in Annexures I-VIII and designating combined appellate and audit jurisdictions to the Guwahati Appeals Commissionerate and Shillong Audit Commissionerate respectively; the Trade Notice takes effect on a date to be notified.