diff --git a/src/components/common/VnSelect.vue b/src/components/common/VnSelect.vue
index c850f2e53..339f90e0e 100644
--- a/src/components/common/VnSelect.vue
+++ b/src/components/common/VnSelect.vue
@@ -171,7 +171,8 @@ onMounted(() => {
 });
 
 const arrayDataKey =
-    $props.dataKey ?? ($props.url?.length > 0 ? $props.url : $attrs.name ?? $attrs.label);
+    $props.dataKey ??
+    ($props.url?.length > 0 ? $props.url : ($attrs.name ?? $attrs.label));
 
 const arrayData = useArrayData(arrayDataKey, {
     url: $props.url,
@@ -220,7 +221,7 @@ async function fetchFilter(val) {
         optionFilterValue.value ??
         (new RegExp(/\d/g).test(val)
             ? optionValue.value
-            : optionFilter.value ?? optionLabel.value);
+            : (optionFilter.value ?? optionLabel.value));
 
     let defaultWhere = {};
     if ($props.filterOptions.length) {
@@ -239,7 +240,7 @@ async function fetchFilter(val) {
 
     const { data } = await arrayData.applyFilter(
         { filter: filterOptions },
-        { updateRouter: false }
+        { updateRouter: false },
     );
     setOptions(data);
     return data;
@@ -272,7 +273,7 @@ async function filterHandler(val, update) {
                 ref.setOptionIndex(-1);
                 ref.moveOptionSelection(1, true);
             }
-        }
+        },
     );
 }
 
@@ -308,7 +309,7 @@ function handleKeyDown(event) {
         if (inputValue) {
             const matchingOption = myOptions.value.find(
                 (option) =>
-                    option[optionLabel.value].toLowerCase() === inputValue.toLowerCase()
+                    option[optionLabel.value].toLowerCase() === inputValue.toLowerCase(),
             );
 
             if (matchingOption) {
@@ -320,11 +321,11 @@ function handleKeyDown(event) {
         }
 
         const focusableElements = document.querySelectorAll(
-            'a:not([disabled]), button:not([disabled]), input:not([disabled]), textarea:not([disabled]), select:not([disabled]), details:not([disabled]), [tabindex]:not([tabindex="-1"]):not([disabled])'
+            'a:not([disabled]), button:not([disabled]), input:not([disabled]), textarea:not([disabled]), select:not([disabled]), details:not([disabled]), [tabindex]:not([tabindex="-1"]):not([disabled])',
         );
         const currentIndex = Array.prototype.indexOf.call(
             focusableElements,
-            event.target
+            event.target,
         );
         if (currentIndex >= 0 && currentIndex < focusableElements.length - 1) {
             focusableElements[currentIndex + 1].focus();
diff --git a/src/components/common/VnSelectSupplier.vue b/src/components/common/VnSelectSupplier.vue
index f86db4f2d..5a821456e 100644
--- a/src/components/common/VnSelectSupplier.vue
+++ b/src/components/common/VnSelectSupplier.vue
@@ -1,9 +1,7 @@
 <script setup>
-import { computed } from 'vue';
 import VnSelect from 'components/common/VnSelect.vue';
 
 const model = defineModel({ type: [String, Number, Object] });
-const url = 'Suppliers';
 </script>
 
 <template>
@@ -11,10 +9,11 @@ const url = 'Suppliers';
         :label="$t('globals.supplier')"
         v-bind="$attrs"
         v-model="model"
-        :url="url"
+        url="Suppliers"
         option-value="id"
         option-label="nickname"
         :fields="['id', 'name', 'nickname', 'nif']"
+        :filter-options="['id', 'name', 'nickname', 'nif']"
         sort-by="name ASC"
     >
         <template #option="scope">
diff --git a/src/i18n/locale/es.yml b/src/i18n/locale/es.yml
index ea5fa9e41..a082ca88d 100644
--- a/src/i18n/locale/es.yml
+++ b/src/i18n/locale/es.yml
@@ -352,7 +352,7 @@ globals:
         from: Desde
         to: Hasta
         supplierFk: Proveedor
-        supplierRef: Ref. proveedor
+        supplierRef: Nº factura
         serial: Serie
         amount: Importe
         awbCode: AWB
diff --git a/src/pages/InvoiceIn/Card/InvoiceInBasicData.vue b/src/pages/InvoiceIn/Card/InvoiceInBasicData.vue
index a3beabdb6..0cc9ac2c9 100644
--- a/src/pages/InvoiceIn/Card/InvoiceInBasicData.vue
+++ b/src/pages/InvoiceIn/Card/InvoiceInBasicData.vue
@@ -125,7 +125,7 @@ function deleteFile(dmsFk) {
                 <VnInput
                     clearable
                     clear-icon="close"
-                    :label="t('Supplier ref')"
+                    :label="t('invoiceIn.supplierRef')"
                     v-model="data.supplierRef"
                 />
             </VnRow>
@@ -310,7 +310,6 @@ function deleteFile(dmsFk) {
         supplierFk: Supplier
     es:
         supplierFk: Proveedor
-        Supplier ref: Ref. proveedor
         Expedition date: Fecha expedición
         Operation date: Fecha operación
         Undeductible VAT: Iva no deducible
diff --git a/src/pages/InvoiceIn/Card/InvoiceInDescriptorMenu.vue b/src/pages/InvoiceIn/Card/InvoiceInDescriptorMenu.vue
index c3ab635c8..8b039ec27 100644
--- a/src/pages/InvoiceIn/Card/InvoiceInDescriptorMenu.vue
+++ b/src/pages/InvoiceIn/Card/InvoiceInDescriptorMenu.vue
@@ -186,7 +186,7 @@ const createInvoiceInCorrection = async () => {
                 clickable
                 @click="book(entityId)"
             >
-                <QItemSection>{{ t('invoiceIn.descriptorMenu.toBook') }}</QItemSection>
+                <QItemSection>{{ t('invoiceIn.descriptorMenu.book') }}</QItemSection>
             </QItem>
         </template>
     </InvoiceInToBook>
@@ -197,7 +197,7 @@ const createInvoiceInCorrection = async () => {
         @click="triggerMenu('unbook')"
     >
         <QItemSection>
-            {{ t('invoiceIn.descriptorMenu.toUnbook') }}
+            {{ t('invoiceIn.descriptorMenu.unbook') }}
         </QItemSection>
     </QItem>
     <QItem
diff --git a/src/pages/InvoiceIn/Card/InvoiceInDueDay.vue b/src/pages/InvoiceIn/Card/InvoiceInDueDay.vue
index cb3271dc1..1cad40e0b 100644
--- a/src/pages/InvoiceIn/Card/InvoiceInDueDay.vue
+++ b/src/pages/InvoiceIn/Card/InvoiceInDueDay.vue
@@ -1,5 +1,5 @@
 <script setup>
-import { ref, computed } from 'vue';
+import { ref, computed, onBeforeMount } from 'vue';
 import { useRoute } from 'vue-router';
 import { useI18n } from 'vue-i18n';
 import axios from 'axios';
@@ -12,6 +12,7 @@ import VnSelect from 'src/components/common/VnSelect.vue';
 import useNotify from 'src/composables/useNotify.js';
 import VnInputDate from 'src/components/common/VnInputDate.vue';
 import VnInputNumber from 'src/components/common/VnInputNumber.vue';
+import { toCurrency } from 'filters/index';
 
 const route = useRoute();
 const { notify } = useNotify();
@@ -26,7 +27,7 @@ const invoiceInFormRef = ref();
 const invoiceId = +route.params.id;
 const filter = { where: { invoiceInFk: invoiceId } };
 const areRows = ref(false);
-
+const totals = ref();
 const columns = computed(() => [
     {
         name: 'duedate',
@@ -66,6 +67,8 @@ const columns = computed(() => [
     },
 ]);
 
+const totalAmount = computed(() => getTotal(invoiceInFormRef.value.formData, 'amount'));
+
 const isNotEuro = (code) => code != 'EUR';
 
 async function insert() {
@@ -73,6 +76,10 @@ async function insert() {
     await invoiceInFormRef.value.reload();
     notify(t('globals.dataSaved'), 'positive');
 }
+
+onBeforeMount(async () => {
+    totals.value = (await axios.get(`InvoiceIns/${invoiceId}/getTotals`)).data;
+});
 </script>
 <template>
     <FetchData
@@ -153,7 +160,7 @@ async function insert() {
                         <QTd />
                         <QTd />
                         <QTd>
-                            {{ getTotal(rows, 'amount', { currency: 'default' }) }}
+                            {{ toCurrency(totalAmount) }}
                         </QTd>
                         <QTd>
                             <template v-if="isNotEuro(invoiceIn.currency.code)">
@@ -235,7 +242,16 @@ async function insert() {
             v-shortcut="'+'"
             size="lg"
             round
-            @click="!areRows ? insert() : invoiceInFormRef.insert()"
+            @click="
+                () => {
+                    if (!areRows) insert();
+                    else
+                        invoiceInFormRef.insert({
+                            amount: (totals.totalTaxableBase - totalAmount).toFixed(2),
+                            invoiceInFk: invoiceId,
+                        });
+                }
+            "
         />
     </QPageSticky>
 </template>
diff --git a/src/pages/InvoiceIn/Card/InvoiceInSummary.vue b/src/pages/InvoiceIn/Card/InvoiceInSummary.vue
index e546638f2..d358601d3 100644
--- a/src/pages/InvoiceIn/Card/InvoiceInSummary.vue
+++ b/src/pages/InvoiceIn/Card/InvoiceInSummary.vue
@@ -193,7 +193,7 @@ const getLink = (param) => `#/invoice-in/${entityId.value}/${param}`;
             <InvoiceIntoBook>
                 <template #content="{ book }">
                     <QBtn
-                        :label="t('To book')"
+                        :label="t('Book')"
                         color="orange-11"
                         text-color="black"
                         @click="book(entityId)"
@@ -224,10 +224,7 @@ const getLink = (param) => `#/invoice-in/${entityId.value}/${param}`;
                         </span>
                     </template>
                 </VnLv>
-                <VnLv
-                    :label="t('invoiceIn.list.supplierRef')"
-                    :value="entity.supplierRef"
-                />
+                <VnLv :label="t('invoiceIn.supplierRef')" :value="entity.supplierRef" />
                 <VnLv
                     :label="t('invoiceIn.summary.currency')"
                     :value="entity.currency?.code"
@@ -357,7 +354,7 @@ const getLink = (param) => `#/invoice-in/${entityId.value}/${param}`;
                                 entity.totals.totalTaxableBaseForeignValue &&
                                 toCurrency(
                                     entity.totals.totalTaxableBaseForeignValue,
-                                    currency
+                                    currency,
                                 )
                             }}</QTd>
                         </QTr>
@@ -392,7 +389,7 @@ const getLink = (param) => `#/invoice-in/${entityId.value}/${param}`;
                                     entity.totals.totalDueDayForeignValue &&
                                     toCurrency(
                                         entity.totals.totalDueDayForeignValue,
-                                        currency
+                                        currency,
                                     )
                                 }}
                             </QTd>
@@ -472,5 +469,5 @@ const getLink = (param) => `#/invoice-in/${entityId.value}/${param}`;
         Search invoice: Buscar factura recibida
         You can search by invoice reference: Puedes buscar por referencia de la factura
         Totals: Totales
-        To book: Contabilizar
+        Book: Contabilizar
 </i18n>
diff --git a/src/pages/InvoiceIn/Card/InvoiceInVat.vue b/src/pages/InvoiceIn/Card/InvoiceInVat.vue
index edb43375f..e77453bc0 100644
--- a/src/pages/InvoiceIn/Card/InvoiceInVat.vue
+++ b/src/pages/InvoiceIn/Card/InvoiceInVat.vue
@@ -1,5 +1,5 @@
 <script setup>
-import { ref, computed } from 'vue';
+import { ref, computed, nextTick } from 'vue';
 import { useRoute } from 'vue-router';
 import { useI18n } from 'vue-i18n';
 import { useArrayData } from 'src/composables/useArrayData';
@@ -25,7 +25,6 @@ const sageTaxTypes = ref([]);
 const sageTransactionTypes = ref([]);
 const rowsSelected = ref([]);
 const invoiceInFormRef = ref();
-const expenseRef = ref();
 
 defineProps({
     actionIcon: {
@@ -97,6 +96,20 @@ const columns = computed(() => [
     },
 ]);
 
+const taxableBaseTotal = computed(() => {
+    return getTotal(invoiceInFormRef.value.formData, 'taxableBase');
+});
+
+const taxRateTotal = computed(() => {
+    return getTotal(invoiceInFormRef.value.formData, null, {
+        cb: taxRate,
+    });
+});
+
+const combinedTotal = computed(() => {
+    return +taxableBaseTotal.value + +taxRateTotal.value;
+});
+
 const filter = {
     fields: [
         'id',
@@ -125,7 +138,7 @@ function taxRate(invoiceInTax) {
     return ((taxTypeSage / 100) * taxableBase).toFixed(2);
 }
 
-function autocompleteExpense(evt, row, col) {
+function autocompleteExpense(evt, row, col, ref) {
     const val = evt.target.value;
     if (!val) return;
 
@@ -134,22 +147,17 @@ function autocompleteExpense(evt, row, col) {
         ({ id }) => id == useAccountShortToStandard(param),
     );
 
-    expenseRef.value.vnSelectDialogRef.vnSelectRef.toggleOption(lookup);
+    ref.vnSelectDialogRef.vnSelectRef.toggleOption(lookup);
 }
 
-const taxableBaseTotal = computed(() => {
-    return getTotal(invoiceInFormRef.value.formData, 'taxableBase');
-});
-
-const taxRateTotal = computed(() => {
-    return getTotal(invoiceInFormRef.value.formData, null, {
-        cb: taxRate,
+function setCursor(ref) {
+    nextTick(() => {
+        const select = ref.vnSelectDialogRef
+            ? ref.vnSelectDialogRef.vnSelectRef
+            : ref.vnSelectRef;
+        select.$el.querySelector('input').setSelectionRange(0, 0);
     });
-});
-
-const combinedTotal = computed(() => {
-    return +taxableBaseTotal.value + +taxRateTotal.value;
-});
+}
 </script>
 <template>
     <FetchData
@@ -187,14 +195,24 @@ const combinedTotal = computed(() => {
                 <template #body-cell-expense="{ row, col }">
                     <QTd>
                         <VnSelectDialog
-                            ref="expenseRef"
+                            :ref="`expenseRef-${row.$index}`"
                             v-model="row[col.model]"
                             :options="col.options"
                             :option-value="col.optionValue"
                             :option-label="col.optionLabel"
                             :filter-options="['id', 'name']"
                             :tooltip="t('Create a new expense')"
-                            @keydown.tab="autocompleteExpense($event, row, col)"
+                            @keydown.tab="
+                                autocompleteExpense(
+                                    $event,
+                                    row,
+                                    col,
+                                    $refs[`expenseRef-${row.$index}`],
+                                )
+                            "
+                            @update:model-value="
+                                setCursor($refs[`expenseRef-${row.$index}`])
+                            "
                         >
                             <template #option="scope">
                                 <QItem v-bind="scope.itemProps">
@@ -210,7 +228,7 @@ const combinedTotal = computed(() => {
                     </QTd>
                 </template>
                 <template #body-cell-taxablebase="{ row }">
-                    <QTd>
+                    <QTd shrink>
                         <VnInputNumber
                             clear-icon="close"
                             v-model="row.taxableBase"
@@ -221,12 +239,16 @@ const combinedTotal = computed(() => {
                 <template #body-cell-sageiva="{ row, col }">
                     <QTd>
                         <VnSelect
+                            :ref="`sageivaRef-${row.$index}`"
                             v-model="row[col.model]"
                             :options="col.options"
                             :option-value="col.optionValue"
                             :option-label="col.optionLabel"
                             :filter-options="['id', 'vat']"
                             data-cy="vat-sageiva"
+                            @update:model-value="
+                                setCursor($refs[`sageivaRef-${row.$index}`])
+                            "
                         >
                             <template #option="scope">
                                 <QItem v-bind="scope.itemProps">
@@ -244,11 +266,15 @@ const combinedTotal = computed(() => {
                 <template #body-cell-sagetransaction="{ row, col }">
                     <QTd>
                         <VnSelect
+                            :ref="`sagetransactionRef-${row.$index}`"
                             v-model="row[col.model]"
                             :options="col.options"
                             :option-value="col.optionValue"
                             :option-label="col.optionLabel"
                             :filter-options="['id', 'transaction']"
+                            @update:model-value="
+                                setCursor($refs[`sagetransactionRef-${row.$index}`])
+                            "
                         >
                             <template #option="scope">
                                 <QItem v-bind="scope.itemProps">
@@ -266,7 +292,7 @@ const combinedTotal = computed(() => {
                     </QTd>
                 </template>
                 <template #body-cell-foreignvalue="{ row }">
-                    <QTd>
+                    <QTd shrink>
                         <VnInputNumber
                             :class="{
                                 'no-pointer-events': !isNotEuro(currency),
diff --git a/src/pages/InvoiceIn/InvoiceInList.vue b/src/pages/InvoiceIn/InvoiceInList.vue
index e1723e3b1..bcfd4471f 100644
--- a/src/pages/InvoiceIn/InvoiceInList.vue
+++ b/src/pages/InvoiceIn/InvoiceInList.vue
@@ -56,7 +56,7 @@ const cols = computed(() => [
     {
         align: 'left',
         name: 'supplierRef',
-        label: t('invoiceIn.list.supplierRef'),
+        label: t('invoiceIn.supplierRef'),
     },
     {
         align: 'left',
@@ -177,7 +177,7 @@ const cols = computed(() => [
                         :required="true"
                     />
                     <VnInput
-                        :label="t('invoiceIn.list.supplierRef')"
+                        :label="t('invoiceIn.supplierRef')"
                         v-model="data.supplierRef"
                     />
                     <VnSelect
diff --git a/src/pages/InvoiceIn/InvoiceInToBook.vue b/src/pages/InvoiceIn/InvoiceInToBook.vue
index 95ce8155a..5bdbe197b 100644
--- a/src/pages/InvoiceIn/InvoiceInToBook.vue
+++ b/src/pages/InvoiceIn/InvoiceInToBook.vue
@@ -4,6 +4,7 @@ import { useQuasar } from 'quasar';
 import { useI18n } from 'vue-i18n';
 import VnConfirm from 'src/components/ui/VnConfirm.vue';
 import { useArrayData } from 'src/composables/useArrayData';
+import qs from 'qs';
 const { notify, dialog } = useQuasar();
 const { t } = useI18n();
 
@@ -12,29 +13,51 @@ defineExpose({ checkToBook });
 const { store } = useArrayData();
 
 async function checkToBook(id) {
-    let directBooking = true;
+    let messages = [];
+
+    const hasProblemWithTax = (
+        await axios.get('InvoiceInTaxes/count', {
+            params: {
+                where: JSON.stringify({
+                    invoiceInFk: id,
+                    or: [{ taxTypeSageFk: null }, { transactionTypeSageFk: null }],
+                }),
+            },
+        })
+    ).data?.count;
+
+    if (hasProblemWithTax)
+        messages.push(t('The VAT and Transaction fields have not been informed'));
 
     const { data: totals } = await axios.get(`InvoiceIns/${id}/getTotals`);
     const taxableBaseNotEqualDueDay = totals.totalDueDay != totals.totalTaxableBase;
     const vatNotEqualDueDay = totals.totalDueDay != totals.totalVat;
 
-    if (taxableBaseNotEqualDueDay && vatNotEqualDueDay) directBooking = false;
+    if (taxableBaseNotEqualDueDay && vatNotEqualDueDay)
+        messages.push(t('The sum of the taxable bases does not match the due dates'));
 
-    const { data: dueDaysCount } = await axios.get('InvoiceInDueDays/count', {
-        where: {
-            invoiceInFk: id,
-            dueDated: { gte: Date.vnNew() },
-        },
-    });
+    const dueDaysCount = (
+        await axios.get('InvoiceInDueDays/count', {
+            params: {
+                where: JSON.stringify({
+                    invoiceInFk: id,
+                    dueDated: { gte: Date.vnNew() },
+                }),
+            },
+        })
+    ).data?.count;
 
-    if (dueDaysCount) directBooking = false;
+    if (dueDaysCount) messages.push(t('Some due dates are less than or equal to today'));
 
-    if (directBooking) return toBook(id);
-
-    dialog({
-        component: VnConfirm,
-        componentProps: { title: t('Are you sure you want to book this invoice?') },
-    }).onOk(async () => await toBook(id));
+    if (!messages.length) toBook(id);
+    else
+        dialog({
+            component: VnConfirm,
+            componentProps: {
+                title: t('Are you sure you want to book this invoice?'),
+                message: messages.reduce((acc, msg) => `${acc}<p>${msg}</p>`, ''),
+            },
+        }).onOk(() => toBook(id));
 }
 
 async function toBook(id) {
@@ -59,4 +82,7 @@ async function toBook(id) {
 es:
     Are you sure you want to book this invoice?: ¿Estás seguro de querer asentar esta factura?
     It was not able to book the invoice: No se pudo contabilizar la factura
+    Some due dates are less than or equal to today: Algún vencimiento tiene una fecha menor o igual que hoy
+    The sum of the taxable bases does not match the due dates: La suma de las bases imponibles no coincide con la de los vencimientos
+    The VAT and Transaction fields have not been informed: No se han informado los campos de iva y/o transacción
 </i18n>
diff --git a/src/pages/InvoiceIn/locale/en.yml b/src/pages/InvoiceIn/locale/en.yml
index 6b21b316b..548e6c201 100644
--- a/src/pages/InvoiceIn/locale/en.yml
+++ b/src/pages/InvoiceIn/locale/en.yml
@@ -3,10 +3,10 @@ invoiceIn:
     searchInfo: Search incoming invoices by ID or supplier fiscal name
     serial: Serial
     isBooked: Is booked
+    supplierRef: Invoice nº
     list:
         ref: Reference
         supplier: Supplier
-        supplierRef: Supplier ref.
         file: File
         issued: Issued
         dueDated: Due dated
@@ -19,8 +19,6 @@ invoiceIn:
         unbook: Unbook
         delete: Delete
         clone: Clone
-        toBook: To book
-        toUnbook: To unbook
         deleteInvoice: Delete invoice
         invoiceDeleted: invoice deleted
         cloneInvoice: Clone invoice
@@ -70,4 +68,3 @@ invoiceIn:
         isBooked: Is booked
         account: Ledger account
         correctingFk: Rectificative
-        
\ No newline at end of file
diff --git a/src/pages/InvoiceIn/locale/es.yml b/src/pages/InvoiceIn/locale/es.yml
index 3f27c895c..142d95f92 100644
--- a/src/pages/InvoiceIn/locale/es.yml
+++ b/src/pages/InvoiceIn/locale/es.yml
@@ -3,10 +3,10 @@ invoiceIn:
     searchInfo: Buscar facturas recibidas por ID o nombre fiscal del proveedor
     serial: Serie
     isBooked: Contabilizada
+    supplierRef: Nº factura
     list:
         ref: Referencia
         supplier: Proveedor
-        supplierRef: Ref. proveedor
         issued: F. emisión
         dueDated: F. vencimiento
         file: Fichero
@@ -15,12 +15,10 @@ invoiceIn:
     descriptor:
         ticketList: Listado de tickets
     descriptorMenu:
-        book: Asentar
-        unbook: Desasentar
+        book: Contabilizar
+        unbook: Descontabilizar
         delete: Eliminar
         clone: Clonar
-        toBook: Contabilizar
-        toUnbook: Descontabilizar
         deleteInvoice: Eliminar factura
         invoiceDeleted: Factura eliminada
         cloneInvoice: Clonar factura
@@ -68,4 +66,3 @@ invoiceIn:
         isBooked: Contabilizada
         account: Cuenta contable
         correctingFk: Rectificativa
-