4.6 A Brief Discussion of the Most Popular Types of Countertrade -- 4.6.1 Counterpurchase -- 4.6.2 Barter -- 4.6.3 Buy back -- 4.6.4 Evidence Accounts -- 4.6.5 Switch Trading -- 4.6.6 Offset -- 4.7 Some Important Points to be Considered in Relation to Countertrade -- 4.8 Carriage of Goods (Transportation) Contract -- 4.9 Replacement and Service -- 4.10 Negotiation for the Sale of Second-hand/Used Products -- 4.11 Conclusions -- Notes -- 5 Negotiation of Transfer of Technology Contracts -- 5.1 Introduction -- 5.2 The Important Elements of a Contract for the Transfer of Technology -- 5.3 Contents of the Contract -- 5.3.1 The Preamble -- 5.3.2 Definitions -- 5.3.3 Scope of the Contract -- 5.3.4 Price of or Consideration for the Contract -- 5.3.5 Conditions of Payment -- 5.3.6 Tests and Acceptances -- 5.3.7 Delivery of Technical Documents -- 5.3.8 Technical Assistance and Training of Personnel -- 5.3.9 Use of Trademark and Brand Name -- 5.3.1 Patent Infringement -- 5.3.2 Confidentiality -- 5.3.3 Taxes and Duties -- 5.3.4 Sub-licensing and Transfer -- 5.3.5 Supply of Components and Materials -- 5.3.6 Improvements -- 5.3.7 Guarantees as to the Quality of Technical Documents -- 5.3.8 Export Right -- 5.3.9 Force Majeure -- 5.3.10 Language -- 5.3.11 The Period of Validity of the Contract -- 5.3.12 Termination of the Contract -- 5.3.13 Settlement of Disputes -- 5.3.14 Effectiveness of the Contract -- 5.4 Conclusions -- 6 Project Finance -- 6.1 Introduction -- 6.1.1 Off-balance Sheet Finance -- 6.1.2 Forward Purchase Financings -- 6.2 Risks -- 6.3 Third Party Undertakings -- 6.3.1 Advance Payments from Customers -- 6.3.2 Completion Guarantees -- 6.3.3 Management Contracts -- 6.3.4 Take or Pay Contracts -- 6.3.5 Agreements Relating to Raw Materials or Supplies -- 6.4 Security for Payment -- 6.4.1 Restrictive Covenants on the Borrower -- 6.4.2 Mortgages