staging category definition

staging category means the timeframe for the elimination of customs duties ranging from zero to seven years, after which a good is free of customs duty, unless otherwise specified in Annex 2-A (Tariff elimination schedules).
staging category means the timeframe for the elimination of customs duties ranging from [0] to [X] [years], after which a good is free of customs duty (unless otherwise specified in the Schedules).
staging category means the timeframe for the elimination of customs duties ranging from 0 to 7 years, after which a good is free of customs duty (unless otherwise specified in the Schedules).