For this type of resale, the conditions differ from the usual one-time sale and there are specific problems, such as. B under what circumstances a basic contract may be terminated. In particular, the criteria for “fundamental offence”, a precondition for erasure, will be different. The transfer of receivables through performance is a rational system. However, in the case of actual financial transactions, many types of special contractual clauses are concluded and the provision often differs from the following explanation. First, the abovementioned rules (1) and (3) contain provisions which define different parts of the transfer of claims.