diff --git a/backend/db/schema/customers.ts b/backend/db/schema/customers.ts
index 67743e8..653d27f 100644
--- a/backend/db/schema/customers.ts
+++ b/backend/db/schema/customers.ts
@@ -62,6 +62,7 @@ export const customers = pgTable(
         updatedBy: uuid("updated_by").references(() => authUsers.id),
 
         customPaymentType: text("custom_payment_type"), // ENUM payment_types separat?
+        customTaxType: text("customTaxType"),
     }
 )
 
diff --git a/frontend/pages/createDocument/edit/[[id]].vue b/frontend/pages/createDocument/edit/[[id]].vue
index 52dd9ae..768209a 100644
--- a/frontend/pages/createDocument/edit/[[id]].vue
+++ b/frontend/pages/createDocument/edit/[[id]].vue
@@ -475,6 +475,10 @@ const setCustomerData = async (customerId, loadOnlyAdress = false) => {
 
     if (!loadOnlyAdress && customer.customPaymentDays) itemInfo.value.paymentDays = customer.customPaymentDays
     if (!loadOnlyAdress && customer.custom_payment_type) itemInfo.value.payment_type = customer.custom_payment_type
+    if (!loadOnlyAdress) {
+      itemInfo.value.taxType = customer.customTaxType || "Standard"
+      setTaxType()
+    }
 
     if (!loadOnlyAdress && customer.customSurchargePercentage) {
       itemInfo.value.customSurchargePercentage = customer.customSurchargePercentage
diff --git a/frontend/stores/data.js b/frontend/stores/data.js
index b04fdb0..8172781 100644
--- a/frontend/stores/data.js
+++ b/frontend/stores/data.js
@@ -310,6 +310,19 @@ export const useDataStore = defineStore('data', () => {
                     ],
                     inputColumn: "Allgemeines",
                     sortable: true
+                },{
+                    key: "customTaxType",
+                    label: "Standard Steuertyp",
+                    inputType: "select",
+                    selectValueAttribute:"key",
+                    selectOptionAttribute: "label",
+                    selectManualOptions: [
+                        {label:'Standard', key: 'Standard'},
+                        {label:'13b UStG', key: '13b UStG'},
+                        {label:'19 UStG Kleinunternehmer', key: '19 UStG'},
+                    ],
+                    inputColumn: "Allgemeines",
+                    sortable: true
                 }, {
                     key: "customSurchargePercentage",
                     label: "Individueller Aufschlag",