Delegation of Central Excise powers: officers appointed and invested to exercise adjudication and investigation jurisdiction nationwide. The Board appoints specified officers and invests them with the powers of Central Excise Officers effective 1 July 2001: all Commissioners of Central Excise are empowered to exercise Central Excise Officer powers throughout India for adjudication and investigation as assigned by the Board; Customs Preventive Officers at principal airports are empowered to exercise the powers of the Central Excise Officer in charge of a warehouse within that warehouse's jurisdiction; an entry for Commissioners (Adjudication) was subsequently substituted by later notifications.