Rate of interest fixed for section elevenaa under the Central Excise Act, establishing an annual interest obligation from notified commencement. Fixes the rate of interest at eighteen percent per annum for the purposes of section 11AA of the Central Excise Act, 1944, superseding Notification No. 18/2002-Central Excise (N.T.) except as to prior actions, and states that the notification comes into force from the notified commencement date.