SD

The two-character ISO 3166 country code for Sudan. Bloomberg Financial Dictionary

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Supplementary Declaration - another name used to describe a post-shipment declaration. Under the New Export Scheme ( NES) it is an electronic message sent to the Customs Handling of Import and Export Freight ( CHIEF) system to declare statistical and control information for all consignments exported under either the Local Clearance Procedure ( LCP) or the SDP. HM Customs & Revenue Glossary