The Central Board of Indirect Taxes and Customs (CBIC) has imposed an additional duty on customs (AIDC) on spent catalysts or ash containing precious metals, gold or silver findings and coins of precious metals.The amendment imposes Additional Duty on Customs (AIDC) on items falling under tariff headings 7112, 7113, and 7118. The revised rates are set at 4.35% for spent catalyst or ash...