In order to reflect counterparty risk, the total credit equivalent amount, which results from the calculation in Paragraph CA-3.4.12 has to be broken down again according to type of counterparty, using the same classification into types (a), (b) and (c) given in Section CA-3.3. Finally, the exposure to each type of counterparty has to be weighted as 0%, 20% or 50% respectively, and the total weighted exposure calculated.