Whereas negotiable instruments embody a claim for the payment of money, documents of title embody claims to goods. The most common such documents are the bill of lading and the warehouse receipt.

A bill of lading is a receipt for goods delivered for transportation by a ship. On receiving the goods alongside or on board, a dock or mate’s receipt is issued and is later turned in for the bill of lading proper. The bill of lading may certify receipt of the goods either on board the ship (“shipped on board”) or alongside (“received for shipment”). This latter form of bill of lading is less valuable since it does not prove the fact and date of loading. Apart from proving receipt of the goods to be shipped, the bill of lading incorporates the terms of the contract concluded between the carrier and the consignor for the transportation of the goods to the port of destination. A great many of the printed clauses on a bill of lading purport to excuse the carrier from liability for delayed delivery or from liability for damage to or loss of the goods. These clauses are valid, however, only if and insofar as they comply with the applicable national law or, in the case of ocean transport, with the Brussels Convention on Limitation of Liability (1923, amended 1968) that incorporates the Hague Rules, which have been adopted by the major shipping nations. Subject to these contractual terms, the consignee (the person to whom the goods are being shipped) may, by virtue of the bill of lading, demand delivery of the transported goods at the port of destination. In the simplest case the consignor sends the bill of lading by airmail to the consignee so that the latter may claim the goods on the arrival of the ship. The carrier may only deliver the goods to a person holding a duly negotiated bill of lading.

A bill of lading and the claim it represents may be transferred to another person by endorsement and delivery of the document. If made out to bearer (which happens rarely), the bill may even be transferred by mere delivery. By such transfer all the rights and obligations embodied in the document are transferred to the new holder. The latter is entitled to demand delivery of the goods unless the carrier proves that the holder knew or through gross negligence was unaware of the transferor’s lack of title to the bill. In contrast with the rules on negotiable instruments, an endorsement of a bill of lading does not make the endorser liable for any default of the carrier or previous endorsers. The bill represents the goods, and transfer of the bill is, therefore, equivalent to delivery of the goods to the transferee.

It depends on the intention of the parties whether ownership in the goods or merely a security interest in them is to be transferred. A security interest is typically acquired by a bank, which gives credit on the security of the shipped goods. The above rules on bills of lading, though not formally unified, are essentially the same in all the seafaring nations. Most of them apply also to bills of lading issued in river navigation.

The warehouse receipt is a document that shares the essential traits of a bill of lading, except that the duty to transport the goods is replaced by an obligation to store them. This receipt also embodies the claim for delivery of the goods and may, therefore, if made out to order, be transferred by endorsement and delivery. According to the intention of the parties, such a transfer may pass ownership in the stored goods or create other rights, such as a security interest, in them.

Letters of credit

Of great importance in international trade is the letter of credit. A letter of credit is essentially an authorization made by a buyer to his agent (usually a bank) to make payment to a seller. The letter of credit comes into use when there is a substantial time lag between the dispatch of goods by a seller and their receipt by the buyer. The seller, having sent the goods off, has fulfilled his part of the contract and seeks payment. The buyer, not having received the goods and being unable to inspect them, will be reluctant to pay. To overcome this difficulty, the buyer and seller make arrangements to have intermediaries operating in each of the two countries involved make settlement. The buyer instructs his bank to issue a letter of credit authorizing payment to be made to the seller when the latter’s part of the contract has been fulfilled (usually when the seller has dispatched the correct quantity of conforming goods). The buyer’s (or issuing) bank ascertains whether or not this has been done by obtaining the cooperation of a bank in the seller’s country. This bank (the “corresponding” bank), having inspected all the relevant documents of title and bills of lading to ensure that the seller has performed, makes payment to the seller, often by means of a bill of exchange or other credit device. The document of title, bills of lading, and so forth are then mailed to the buyer. The buyer then reimburses his bank, which in turn reimburses the corresponding bank for making payment to the seller.

In no other branch of international trade have the efforts at unification of law been more successful than in that of letters of credit. In 1933 the International Chamber of Commerce in Paris published the Uniform Customs and Practice for Documentary Credits, which was revised in 1951, in 1962, and once again in 1983. It has been adopted by banks and by banking associations in almost all countries of the world.

Loan of money

Second only to sales, the lending of money is one of the most frequent types of commercial transaction. No developed economy could exist without the credit financing of industrial investments, of commercial transactions, or of private acquisitions. A lender gives money to the borrower, who is obliged to repay it and to pay interest as well. Interest is thus the price for the utilization of the lender’s money. The payment of such a price has not, however, always been regarded as permissible. For centuries the medieval Christian church stigmatized interest as income without true work and, therefore, sinful. Religious restrictions on interest are to this day of great importance in the Islamic countries. In socialist countries the lending of money against interest, except through state banks, was strongly discouraged.

A loan is a contract between lender and borrower. It may consist of the immediate giving of money against the borrower’s promise of repayment, or the contract may contain a promise of the lender to give the money at a future date. In the latter case it may sometimes happen that a borrower must sue an unwilling lender for performance of the promise to make the loan. As in the comparable situation of nondelivery in a sales contract, Anglo-American law (and also that of some other countries) refuses an action for specific performance and provides merely for damages, whereas most of the legal systems of continental Europe admit such an action. Specific performance of an agreement to take a loan may similarly be enforced against a borrower in most civil-law countries but not under Anglo-American law.

Interest on loans is today generally admitted. Among merchants it often must be paid even if not expressly agreed by the parties, since no merchant is regarded as willing to lend money without receiving interest thereon. Many countries fix the rate of interest to be applied in such cases. This legal rate has frequently been somewhere between 4 and 7 percent. Modern legislation sometimes establishes flexible rates, such as 2 percent above the (fluctuating) official discount rate of the country. Many countries also limit the maximum amount of interest that may be charged even if both parties have agreed on a higher rate. The maximum figure has frequently been between 6 and 12 percent but in certain countries goes up to 30 percent or more. These “usury statutes” are likely to be circumvented by lenders who may demand considerable sums as commissions or “expenses.” More flexible, but also less certain, are general laws declaring certain “usurious” transactions null and void.

If a borrower does not repay a loan by the agreed date, he must reimburse the lender for his loss. Without even having to prove loss, the lender is at least entitled to default interest (that is, interest accruing after the due date of repayment). Some countries permit the lender to claim additional damages, whereas others exclude them.

A few countries, notably the United States, have established special rules regulating loans to consumers. This has usually been in response to abuses to which consumers have been exposed in connection with installment sales (hire-purchase agreements).