Unit 1 Business Letter-writing Unit 2 Establishing Business Relations Unit 3 Status Enquiries Unit 4 Enquiries and Replies Unit 5 Quotations, Offers and Counter-offers Unit 6 Sales Promotion Unit 7 Orders and Sales Confirmations Unit 8 Terms of Payment Unit 9 Urging L/C, Amendment and Extension Unit 10 Packing Unit 11 Shipment Unit 12 Insurance Unit 13 Agency Unit 14 International Commercial Dispute Resolution Unit 15 Trade Documentation Reference