Rebate exemption for aircraft stores excludes reduction when exported as stores on foreign run to Nepal; commissioner jurisdiction defined. The notification amendment provides that the reduction of amount of rebate shall not apply to excisable goods exported as stores for consumption on board an aircraft on a foreign run to Nepal, and substitutes Explanation III to define 'Maritime Commissioner' as the Commissioner of Central Excise whose jurisdiction includes one or more specified ports, airports, post offices of exportation or named Land Customs Stations.