Effective rate of duty fixed for specified excisable goods, exempting or capping central excise liability subject to listed conditions. Notification No.12/2012-Central Excise fixes the effective rate of duty for goods in Chapters 1-96 of the First Schedule, specifying in a Table the tariff items, descriptions, and applicable rates (ad valorem or specific) together with condition references. It establishes eligibility and procedural conditions in an Annexure-including end-use certifications, factory-consumption rules, restrictions where CENVAT credit has been taken, declaration and filing requirements, and security/undertaking provisions for specified projects-and appends Lists identifying covered bulk drugs, inputs and project-specific goods.