Common adjudicating authority centralizes GST show cause notices to ensure uniform adjudication across interconnected taxpayers. Interconnected show cause notices involving multiple taxpayers shall be adjudicated by the Joint Commissioner of Taxpayer Services with state wide jurisdiction regardless of amount; the Joint Commissioner of the district where the noticee with the highest demand has its principal place of business will adjudicate all related notices, and where involved taxpayers are in the same district but under different authorities, the district's Taxpayer Services Joint Commissioner will adjudicate all SCNs. Connected penalty notices accompanying sections 73/74/76 notices are included.