BS PD CEN/TS 16931-3-4:2017 specifies the mapping between the semantic model of anelectronic invoice, included in EN 16931-1 and the ISO/IEC 9735 (UN/EDIFACT) syntax. For eachelement in the semantic model (including sub-elements or supplementary components such asIdentification scheme identifiers) it is defined which element in the syntax is to be used to contain itsinformation contents. Any mismatches between semantics, format, cardinality or structure areindicated.Cross References:EN 16931-1:2017ISO/IEC 9735ISO 4217:2015ISO 3166-1:2013 ED3ISO 15000-5:2014 ED1ISO 8601:2004 Ed 3