Section 9(2)(vii) in The Special Economic Zones (Customs Procedures) Regulations, 2003
(vii)the proper officers in the zone shall assess the bill of export in the same manner as it is assessed in the case of export of goods under claim of duty drawback or duty entitlement passbook scheme credit or no claim, as the case may be, and instruction issued under respective export promotion scheme shall apply mutatis mutandis in respect of these goods ; and valuation of such goods shall be done in terms of section 14 of the Act;