This Technical Report provides additional information on the requirements of the European Standard EN 54-2: 1997, in order to avoid misinterpretations of the clauses and to improve the understanding of the requirements of the standard.The interpretations are produced in the form of a table where in the first column the clauses of EN 54-2:1997 are listed for which an interpretation is considered necessary. In the second column the subject and in the third column the interpretation is given.This Technical Report does not include additional requirements and should only be used in connection with EN 54-2: 1997. This Technical report is not a stand-alone document.