Customs exemption amendment inserts sub miniature, micro, resettable and thermal fuses into listed tariff entries. The Central Government, invoking powers under section 25 of the Customs Act, amends the principal customs exemption notification by inserting 'sub miniature fuses, micro fuses, resettable fuses and thermal fuses' into the description columns of specified List A tariff entries, thereby expanding the listed electrical protection components eligible for exemption.