diff --git a/backend/src/utils/export/datev.ts b/backend/src/utils/export/datev.ts
index 862c2d6..7af8a39 100644
--- a/backend/src/utils/export/datev.ts
+++ b/backend/src/utils/export/datev.ts
@@ -34,17 +34,28 @@ const getCreatedDocumentTotal = (item: any) => {
     let totalNet = 0;
     let total19:number = 0;
     let total7:number = 0;
+    let net19 = 0;
+    let net7 = 0;
+    let net0 = 0;
     const rows = Array.isArray(item.rows) ? item.rows : [];
     rows.forEach((row: any) => {
         if (!['pagebreak', 'title', 'text'].includes(row.mode)) {
+            const taxPercent = Number(row.taxPercent);
             let rowPrice = Number(Number(row.quantity) * Number(row.price) * (1 - Number(row.discountPercent) / 100)).toFixed(3);
             totalNet = totalNet + Number(rowPrice);
-            if (row.taxPercent === 19) total19 += Number(rowPrice) * Number(0.19);
-            else if (row.taxPercent === 7) total7 += Number(rowPrice) * Number(0.07);
+            if (taxPercent === 19) {
+                net19 += Number(rowPrice);
+                total19 += Number(rowPrice) * Number(0.19);
+            } else if (taxPercent === 7) {
+                net7 += Number(rowPrice);
+                total7 += Number(rowPrice) * Number(0.07);
+            } else if (taxPercent === 0) {
+                net0 += Number(rowPrice);
+            }
         }
     });
     return {
-        totalNet, total19, total7,
+        totalNet, total19, total7, net19, net7, net0,
         totalGross: Number(totalNet.toFixed(2)) + Number(total19.toFixed(2)) + Number(total7.toFixed(2))
     };
 };
@@ -58,13 +69,31 @@ const displayCurrency = (input: number, onlyAbs = false) => {
 };
 
 const getCreatedDocumentDatevTaxKey = (document: { taxType?: string | null }) => {
-    return document.taxType === "13b UStG" ? "46" : "";
+    return document.taxType === "13b UStG" ? "46" : "3";
 };
 
 const getCreatedDocumentPaymentDatevTaxKey = (document: { taxType?: string | null }) => {
     return document.taxType === "13b UStG" ? "46" : "3";
 };
 
+const getCreatedDocumentRevenueLines = (document: any) => {
+    const totals = getCreatedDocumentTotal(document);
+
+    if (document.taxType === "13b UStG") {
+        return [{ account: "8337", amount: totals.totalGross }];
+    }
+
+    if (document.taxType === "19 UStG") {
+        return [{ account: "8192", amount: totals.totalGross }];
+    }
+
+    return [
+        { account: "8400", amount: Number(totals.net19.toFixed(2)) },
+        { account: "8334", amount: Number(totals.net7.toFixed(2)) },
+        { account: "8290", amount: Number(totals.net0.toFixed(2)) },
+    ].filter((line) => line.amount !== 0);
+};
+
 // ---------------------------------------------------------
 // MAIN EXPORT FUNCTION
 // ---------------------------------------------------------
@@ -297,25 +326,24 @@ export async function buildExportZip(
         // AR
         createddocumentsList.forEach(cd => {
             let file = filesCreateddocuments.find(i => i.createddocument === cd.id);
-            let total = 0;
             let typeString = "";
 
             if(cd.type === "invoices") {
-                total = getCreatedDocumentTotal(cd).totalGross;
                 typeString = "AR";
             } else if(cd.type === "advanceInvoices") {
-                total = getCreatedDocumentTotal(cd).totalGross;
                 typeString = "ARAbschlag";
             } else if(cd.type === "cancellationInvoices") {
-                total = getCreatedDocumentTotal(cd).totalGross;
                 typeString = "ARStorno";
             }
 
-            let shSelector = Math.sign(total) === -1 ? "H" : "S";
             const cust = cd.customer; // durch Mapping verfügbar
             const datevTaxKey = getCreatedDocumentDatevTaxKey(cd);
+            const revenueLines = getCreatedDocumentRevenueLines(cd);
 
-            bookingLines.push(`${displayCurrency(total,true)};"${shSelector}";;;;;${cust?.customerNumber || ""};8400;"${datevTaxKey}";${dayjs(cd.documentDate).format("DDMM")};"${cd.documentNumber}";;;"${`${typeString} ${cd.documentNumber} - ${cust?.name || ""}`.substring(0,59)}";;;;;;${file ? `"BEDI ""${file.id}"""` : ""};"Geschäftspartner";"${cust?.name || ""}";"Kundennummer";"${cust?.customerNumber || ""}";"Belegnummer";"${cd.documentNumber}";"Leistungsdatum";"${dayjs(cd.deliveryDate).format("DD.MM.YYYY")}";"Belegdatum";"${dayjs(cd.documentDate).format("DD.MM.YYYY")}";;;;;;;;;;"";;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;0;;;;"";;;;;;;`);
+            revenueLines.forEach((revenueLine) => {
+                let shSelector = Math.sign(revenueLine.amount) === -1 ? "H" : "S";
+                bookingLines.push(`${displayCurrency(revenueLine.amount,true)};"${shSelector}";;;;;${cust?.customerNumber || ""};${revenueLine.account};"${datevTaxKey}";${dayjs(cd.documentDate).format("DDMM")};"${cd.documentNumber}";;;"${`${typeString} ${cd.documentNumber} - ${cust?.name || ""}`.substring(0,59)}";;;;;;${file ? `"BEDI ""${file.id}"""` : ""};"Geschäftspartner";"${cust?.name || ""}";"Kundennummer";"${cust?.customerNumber || ""}";"Belegnummer";"${cd.documentNumber}";"Leistungsdatum";"${dayjs(cd.deliveryDate).format("DD.MM.YYYY")}";"Belegdatum";"${dayjs(cd.documentDate).format("DD.MM.YYYY")}";;;;;;;;;;"";;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;0;;;;"";;;;;;;`);
+            });
         });
 
         // ER