diff --git a/declarationtva_line_details_ajax.php b/declarationtva_line_details_ajax.php
index a4e7e80..253ebaa 100644
--- a/declarationtva_line_details_ajax.php
+++ b/declarationtva_line_details_ajax.php
@@ -89,9 +89,15 @@ echo '<th class="right">' . $langs->trans("TotalAmount") . '</th>';
 echo '<th>' . $langs->trans("MappingType") . '</th>';
 echo '</tr>';
 
-$total_base = 0;
-$total_vat = 0;
-$total_amount = 0;
+$total_base_base = 0;
+$total_vat_base = 0;
+$total_amount_base = 0;
+$total_base_vat = 0;
+$total_vat_vat = 0;
+$total_amount_vat = 0;
+$total_base_other = 0;
+$total_vat_other = 0;
+$total_amount_other = 0;
 
 // Display BASE accounts first (if any)
 if (!empty($base_accounts)) {
@@ -100,9 +106,9 @@ if (!empty($base_accounts)) {
     echo '</tr>';
     
     foreach ($base_accounts as $account) {
-        $total_base += $account['base_amount'];
-        $total_vat += $account['vat_amount'];
-        $total_amount += $account['total_amount'];
+        $total_base_base += $account['base_amount'];
+        $total_vat_base += $account['vat_amount'];
+        $total_amount_base += $account['total_amount'];
         
         echo '<tr class="oddeven">';
         echo '<td><strong>' . $account['account_code'] . '</strong></td>';
@@ -113,6 +119,15 @@ if (!empty($base_accounts)) {
         echo '<td>' . $account['mapping_type'] . '</td>';
         echo '</tr>';
     }
+    
+    // Subtotal for BASE accounts
+    echo '<tr class="liste_titre">';
+    echo '<td colspan="2"><strong>' . $langs->trans("SubtotalBaseAccounts") . '</strong></td>';
+    echo '<td class="right"><strong>' . price($total_base_base) . '</strong></td>';
+    echo '<td class="right"><strong>' . price($total_vat_base) . '</strong></td>';
+    echo '<td class="right"><strong>' . price($total_amount_base) . '</strong></td>';
+    echo '<td></td>';
+    echo '</tr>';
 }
 
 // Display VAT accounts second (if any)
@@ -122,9 +137,9 @@ if (!empty($vat_accounts)) {
     echo '</tr>';
     
     foreach ($vat_accounts as $account) {
-        $total_base += $account['base_amount'];
-        $total_vat += $account['vat_amount'];
-        $total_amount += $account['total_amount'];
+        $total_base_vat += $account['base_amount'];
+        $total_vat_vat += $account['vat_amount'];
+        $total_amount_vat += $account['total_amount'];
         
         echo '<tr class="oddeven">';
         echo '<td><strong>' . $account['account_code'] . '</strong></td>';
@@ -135,13 +150,22 @@ if (!empty($vat_accounts)) {
         echo '<td>' . $account['mapping_type'] . '</td>';
         echo '</tr>';
     }
+    
+    // Subtotal for VAT accounts
+    echo '<tr class="liste_titre">';
+    echo '<td colspan="2"><strong>' . $langs->trans("SubtotalVATAccounts") . '</strong></td>';
+    echo '<td class="right"><strong>' . price($total_base_vat) . '</strong></td>';
+    echo '<td class="right"><strong>' . price($total_vat_vat) . '</strong></td>';
+    echo '<td class="right"><strong>' . price($total_amount_vat) . '</strong></td>';
+    echo '<td></td>';
+    echo '</tr>';
 }
 
 // Display other accounts (normal lines)
 foreach ($other_accounts as $account) {
-    $total_base += $account['base_amount'];
-    $total_vat += $account['vat_amount'];
-    $total_amount += $account['total_amount'];
+    $total_base_other += $account['base_amount'];
+    $total_vat_other += $account['vat_amount'];
+    $total_amount_other += $account['total_amount'];
     
     echo '<tr class="oddeven">';
     echo '<td><strong>' . $account['account_code'] . '</strong></td>';
@@ -153,12 +177,16 @@ foreach ($other_accounts as $account) {
     echo '</tr>';
 }
 
-// Totals row
+// Final totals row
+$final_total_base = $total_base_base + $total_base_vat + $total_base_other;
+$final_total_vat = $total_vat_base + $total_vat_vat + $total_vat_other;
+$final_total_amount = $total_amount_base + $total_amount_vat + $total_amount_other;
+
 echo '<tr class="liste_titre">';
-echo '<td colspan="2"><strong>' . $langs->trans("Total") . '</strong></td>';
-echo '<td class="right"><strong>' . price($total_base) . '</strong></td>';
-echo '<td class="right"><strong>' . price($total_vat) . '</strong></td>';
-echo '<td class="right"><strong>' . price($total_amount) . '</strong></td>';
+echo '<td colspan="2"><strong>' . $langs->trans("GrandTotal") . '</strong></td>';
+echo '<td class="right"><strong>' . price($final_total_base) . '</strong></td>';
+echo '<td class="right"><strong>' . price($final_total_vat) . '</strong></td>';
+echo '<td class="right"><strong>' . price($final_total_amount) . '</strong></td>';
 echo '<td></td>';
 echo '</tr>';
 
diff --git a/langs/en_US/declarationtva.lang b/langs/en_US/declarationtva.lang
index 9942439..6cec5eb 100644
--- a/langs/en_US/declarationtva.lang
+++ b/langs/en_US/declarationtva.lang
@@ -463,3 +463,6 @@ ErrorLoadingDetails = Error loading details
 Summary = Summary
 BaseAccounts = Base Accounts (Sales)
 VATAccounts = VAT Accounts
+SubtotalBaseAccounts = Subtotal Base Accounts
+SubtotalVATAccounts = Subtotal VAT Accounts
+GrandTotal = Grand Total
diff --git a/langs/fr_FR/declarationtva.lang b/langs/fr_FR/declarationtva.lang
index 4f369d6..e451294 100644
--- a/langs/fr_FR/declarationtva.lang
+++ b/langs/fr_FR/declarationtva.lang
@@ -452,3 +452,6 @@ ErrorLoadingDetails = Erreur lors du chargement des détails
 Summary = Résumé
 BaseAccounts = Comptes de base (ventes)
 VATAccounts = Comptes de TVA
+SubtotalBaseAccounts = Sous-total comptes de base
+SubtotalVATAccounts = Sous-total comptes de TVA
+GrandTotal = Total général