In section 61 of the Customs Act, in sub-section (1), in the first proviso, for clause (i), the following clause, shall be substituted, namely:--
"(i) in the case of any goods which are not likely to deteriorate, the period specified in clause (a) or clause (b) may, on sufficient cause being shown, be extended--
(A) in the case of such goods intended for use in any hundred per cent, export oriented undertaking, by the Commissioner of Customs, for such period as he may deem fit; and
(B) in any other case, by the Commissioner of Customs, for a period not exceeding six months and by the Chief Commissioner of Customs for such further period as he may deem fit;".