Commencement amendment to concessional import rules removes security requirement and aligns references to updated rules. Amends the Customs (Import of Goods at Concessional Rate of Duty for Manufacture of Excisable Goods) Rules, 2016 by fixing commencement as the 16th day of March, 2016, omitting the words 'or security' from rule 5(2) thereby removing the security submission requirement for concessional import benefits, and inserting rule 9 to direct that references to the 1996 rules in existing instruments shall be construed as references to the 2016 Rules and corresponding provisions.