update

ts/formats/cii/facturx/facturx.decoder.ts

@@ -2,6 +2,7 @@ import { CIIBaseDecoder } from '../cii.decoder.js';
 import type { TInvoice, TCreditNote, TDebitNote } from '../../../interfaces/common.js';
 import { FACTURX_PROFILE_IDS } from './facturx.types.js';
 import { business, finance, general } from '../../../plugins.js';
+import { EN16931Validator } from '../../validation/en16931.validator.js';
 
 /**
  * Decoder for Factur-X invoice format
@@ -90,7 +91,7 @@ export class FacturXDecoder extends CIIBaseDecoder {
     const reverseCharge = this.exists('//ram:SpecifiedTradeAllowanceCharge/ram:ReasonCode[text()="62"]');
 
     // Create the common invoice data
-    return {
+    const invoiceData = {
       type: 'accounting-doc' as const,
       accountingDocType: 'invoice' as const,
       id: invoiceId,
@@ -98,7 +99,7 @@ export class FacturXDecoder extends CIIBaseDecoder {
       date: issueDate,
       accountingDocStatus: 'issued' as const,
       versionInfo: {
-        type: 'final',
+        type: 'final' as const,
         version: '1.0.0'
       },
       language: 'en',
@@ -114,6 +115,11 @@ export class FacturXDecoder extends CIIBaseDecoder {
       deliveryDate: issueDate,
       objectActions: []
     };
+    
+    // Validate mandatory EN16931 fields
+    EN16931Validator.validateMandatoryFields(invoiceData);
+    
+    return invoiceData;
   }
 
   /**