9303 Sealing party, coded [B] Desc: Identification of the issuer of the seal number. Repr: an..3 AA Consolidator Party which consolidates cargo. AB Unknown The sealing party is unknown. CA Carrier Party undertaking or arranging transport of goods between named points. CU Customs Self explanatory. SH Shipper Party which, by contract with a carrier, consigns or sends goods with the carrier, or has them conveyed by him. TO Terminal operator Party which handles the loading and unloading of marine vessels.