Section 04 Prepared foodstuffs; beverages, spirits and vinegar; tobacco and manufactured tobacco substitutes 21 Miscellaneous edible preparations 21 02 Yeasts (active or inactive); other single-cell micro-organisms, dead (but not including vaccines of heading 3002); prepared baking powders Commodity Code Description 21 02 10 - Active yeasts 21 02 20 - - - Inactive yeasts 21 02 30 - Prepared baking powders