| s/a | | Safe arrival or subject to approval, Societe Anonyme (limited company — France) |
| SAD | | Single Administrative Document |
| SAE | | Stamped Addressed Envelope |
| Sar | | Limited company (Italy) |
| Sanr | | Subject to approval no risk |
| SB | | Short Bill, Payable on Demand or Sight |
| SCP | | Simplified Clearance Procedure |
| SD | | Sight Draft, Short Delivery |
| SDBL | | Sight Draft with attached Bill of Lading |
| SDR | | Special Drawing Rights |
| SEA | | Single European Act |
| SEK | | Swedish Kroner |
| SEM | | Single European Market |
| SFR | | Swiss Franc |
| S & H/exct | | Sundays and Holidays excepted in lay days |
| SGS | | Societe Generale de Surveillance |
| SIECA | | General Treaty of Economic Integration, Central American States |
| SITC | | Standard International Trade Classification |
| SITPRO | | Simplification of international Trade procedures Board |
| S/N | | Shipping Note |
| SNCB | | Societe Nationale de Chemins de Fer Belgique (Belgian Railways) |
| SNCF | | Societe Nationale de Chemins de Fer (French Railways) |
| SSN | | Standard Shipping Note |
| SO | | Seller's option |
| SOB | | Shipped on board |
| SOEC | | Statistical Office European Community |
| spr | | Sun protection required |
| SRCC | | Strikes, riots & civil commotions |
| SS | | Steamship |
| SSD | | Supplementary Statistical Declaration |
| stc | | Said to contain |
| SWIFT | | Society for Worldwide Interbank Financial Telecommunications |
| SWL | | Safe Walking Load |
| TDC | | Total distribution costs |
| TDW | | Tons deadweight |
| TEU | | Twenty-foot equivalent unit |
| THE | | Technical Help For Exporters (Department of the BSI) |
| TIEx | | International Express Rail Parcels consignment note |
| TIR | | Transport International Routiers |
| T/L | | Total Loss |
| TLA | | Tanker Loading Authority |
| TLO | | Total loss only |
| TMO | | Telegraphic Money Order |
| TMR | | Trade Marks Registry |
| TP & ND | | Theft, Pilferage and non-delivery |
| TQ | | Tariff Quota |
| TSR | | Transit shed register or Trans Siberian Railway |
| TT | | Telegraphic Transfer |
| TTC | | Tariff trade code |
| TUCC | | Transport Users Consultative Committee |
| TURN | | Trader Unique Reference Number |
| U/A | | Underwriting account, unit of account |
| UCE | | Unforeseen circumstances excepted |
| UCP | | Uniform Customs and Practice (of Documentary Credits) |
| U/D | | Under Deck |
| UDEAC | | Central African Customs and Economic Union |
| UDEAO | | Union Douance et Economique d'Afrique Occidentale |
| ULCC | | Ultra large crude carrier |
| ULD | | Unit load device |
| UN | | United Nations |
| UNCTAD | | The United Nations Conference on Trade and Dev elopement |
| UNCITRAL | | The United Nations Commission on International Trade Law |
| UPU | | Universal Postal Union |
| URC | | Uniform Rules for Collections |
| URCG | | Uniform Rules Contract Guarantees |
| USD | | United States Dollar |
| U/W | | Underwriter |
| VAT | | Value Added Tax |
| VLCC | | Very large crude carrier |
| WB | | Waybill, Warehouse Book |
| w/d | | Warranted, withdrawn |
| wg | | Weight guaranteed |
| Wgt | | Weight |
| WIPO | | World Intellectual Property Organisation |
| W & M | | War & Marine |
| W/M | | Weight and/or measurement |
| WP | | Without prejudice |
| WPA | | With particular average (obsolete) |
| WR | | Warehouse Receipt |
| WRO | | War Risks Only |
| Wt | | Weight |
| WTE | | Wartime extension clause |
| WW | | Warehouse warrant |
| YAR | | York-Antwerp rules |
| ZAR | | South African Rand |
