Customs Duty extension: continuation of BCD rates on wheat and ghee/butteroil for interim periods. Amends Notification No.12/2012 Customs by substituting later expiry dates in the proviso: clause (ac) is amended to extend the period for the Basic Customs Duty rate on imported wheat, and clause (k) is amended to extend the period for the Basic Customs Duty rate on imports of ghee, butter and butteroil; all other terms of the principal notification remain unchanged.