Cross References:EN 15722ISO/IEC 8825-2EN ISO 24978ISO 24978ISO/IEC 8824-1:2002ISO/IEC 8824-1:2002/Corrigendum 1:2006ITU X.680:2002ISO/IEC 8824-2:2002ISO/IEC 8824-2:2002/A1:2004ITU X.681:2002ISO/IEC 8825-1:2002ISO/IEC 8825-1:2002/A1:2004ITU X.690:2002ISO/IEC 8825-2:2002ISO/IEC 8825-2:2002/A1:2004ISO/IEC 8825-2:2002/Corrigendum 1:2006ISO/IEC 8825-2:2002/A2:2007ISO/IEC 8825-2:2002/Corrigendum 2:2006ITU X.691:2002All current amendments available at time of purchase are included with the purchase of this document.