While contract law provides more flexible contract law than common law, it also requires a higher level of accountability from the merchants it serves . Those who make a living from making deals are expected to understand the legal consequences of their words and actions. Many articles of the code propose two rules for the person who regularly deals with the product concerned or who appears to have special knowledge or skills in these products or who uses agents with special knowledge or skills in these products. This code is often imposed on a merchant according to higher standards of conduct than on a