Safeguard duty exemption: government may notify quantity specific waivers and exclude export oriented and zone imports. The amendment authorises the Central Government to exempt specified quantities of imported articles from whole or part of safeguard duty by notification and adds that, unless expressly stated otherwise, such notifications or imposed safeguard duties do not apply to imports by a hundred per cent. export oriented undertaking or units in a free trade zone or special economic zone, with meanings of those terms drawn from Explanation 2 to sub section (1) of section 3 of the Central Excise Act, 1944.