diff --git a/src/composables/getExchange.js b/src/composables/getExchange.js
new file mode 100644
index 000000000..e81e9e895
--- /dev/null
+++ b/src/composables/getExchange.js
@@ -0,0 +1,16 @@
+import axios from 'axios';
+export async function getExchange(amount, currencyFk, dated, decimalPlaces = 2) {
+    try {
+        const { data } = await axios.get('ReferenceRates/findOne', {
+            params: {
+                filter: {
+                    fields: ['value'],
+                    where: { currencyFk, dated },
+                },
+            },
+        });
+        return (amount / data.value).toFixed(decimalPlaces);
+    } catch (e) {
+        return null;
+    }
+}
diff --git a/src/pages/InvoiceIn/Card/InvoiceInBasicData.vue b/src/pages/InvoiceIn/Card/InvoiceInBasicData.vue
index d22ee5b16..fd5ea0931 100644
--- a/src/pages/InvoiceIn/Card/InvoiceInBasicData.vue
+++ b/src/pages/InvoiceIn/Card/InvoiceInBasicData.vue
@@ -249,6 +249,7 @@ function deleteFile(dmsFk) {
                     :options="currencies"
                     option-value="id"
                     option-label="code"
+                    sort-by="id"
                 />
 
                 <VnSelect
diff --git a/src/pages/InvoiceIn/Card/InvoiceInVat.vue b/src/pages/InvoiceIn/Card/InvoiceInVat.vue
index 100eecda6..977d628b4 100644
--- a/src/pages/InvoiceIn/Card/InvoiceInVat.vue
+++ b/src/pages/InvoiceIn/Card/InvoiceInVat.vue
@@ -11,12 +11,13 @@ import CrudModel from 'src/components/CrudModel.vue';
 import VnInputNumber from 'src/components/common/VnInputNumber.vue';
 import VnSelectDialog from 'src/components/common/VnSelectDialog.vue';
 import CreateNewExpenseForm from 'src/components/CreateNewExpenseForm.vue';
+import { getExchange } from 'src/composables/getExchange';
 
 const { t } = useI18n();
 
 const arrayData = useArrayData();
+const route = useRoute();
 const invoiceIn = computed(() => arrayData.store.data);
-const invoiceId = +useRoute().params.id;
 const currency = computed(() => invoiceIn.value?.currency?.code);
 const expenses = ref([]);
 const sageTaxTypes = ref([]);
@@ -106,7 +107,7 @@ const filter = {
         'transactionTypeSageFk',
     ],
     where: {
-        invoiceInFk: invoiceId,
+        invoiceInFk: route.params.id,
     },
 };
 
@@ -148,10 +149,10 @@ const formatOpt = (row, { model, options }, prop) => {
         data-key="InvoiceInTaxes"
         url="InvoiceInTaxes"
         :filter="filter"
-        :data-required="{ invoiceInFk: invoiceId }"
+        :data-required="{ invoiceInFk: $route.params.id }"
         auto-load
         v-model:selected="rowsSelected"
-        :go-to="`/invoice-in/${invoiceId}/due-day`"
+        :go-to="`/invoice-in/${$route.params.id}/due-day`"
     >
         <template #body="{ rows }">
             <QTable
@@ -253,6 +254,16 @@ const formatOpt = (row, { model, options }, prop) => {
                             }"
                             :disable="!isNotEuro(currency)"
                             v-model="row.foreignValue"
+                            @update:model-value="
+                                async (val) => {
+                                    const exchange = await getExchange(
+                                        val,
+                                        row.currencyFk,
+                                        invoiceIn.issued
+                                    );
+                                    row.taxableBase = exchange;
+                                }
+                            "
                         />
                     </QTd>
                 </template>