Rescission of customs notifications removes the additional duty linkage on imported transformer oil, subject to prior-act savings. Rescinds two specific customs notifications that prescribed an additional duty on imports of transformer oil equivalent to the excise duty on transformer oil base stock or feedstock; withdrawal is effected under sub-section (3) of section 3 of the Customs Tariff Act, 1975, subject to a savings clause preserving actions or omissions prior to rescission, and becomes effective on the stated commencement date.