diff --git a/htdocs/accountancy/bookkeeping/card.php b/htdocs/accountancy/bookkeeping/card.php
index 4c7194b2255..3e74cd0c212 100644
--- a/htdocs/accountancy/bookkeeping/card.php
+++ b/htdocs/accountancy/bookkeeping/card.php
@@ -683,7 +683,7 @@ if ($action == 'create') {
 						print '<td class="right nowraponall amount">'.price($line->debit).'</td>';
 						print '<td class="right nowraponall amount">'.price($line->credit).'</td>';
 
-						if (empty($line->date_export) || empty($line->date_validation)) {
+						if (empty($line->date_export) && empty($line->date_validation)) {
 							print '<td class="center">';
 							print '<a class="editfielda reposition" href="' . $_SERVER["PHP_SELF"] . '?action=update&id=' . $line->id . '&piece_num=' . urlencode($line->piece_num) . '&mode=' . urlencode($mode) . '&token=' . urlencode(newToken()) . '">';
 							print img_edit('', 0, 'class="marginrightonly"');
@@ -713,7 +713,7 @@ if ($action == 'create') {
 					setEventMessages(null, array($langs->trans('MvtNotCorrectlyBalanced', $total_debit, $total_credit)), 'warnings');
 				}
 
-				if (empty($object->date_export) || empty($object->date_validation)) {
+				if (empty($object->date_export) && empty($object->date_validation)) {
 					if ($action == "" || $action == 'add') {
 						print '<tr class="oddeven">';
 						print '<!-- td columns in add mode -->';
diff --git a/htdocs/accountancy/bookkeeping/list.php b/htdocs/accountancy/bookkeeping/list.php
index a70bb710937..ebc91ae54c7 100644
--- a/htdocs/accountancy/bookkeeping/list.php
+++ b/htdocs/accountancy/bookkeeping/list.php
@@ -1243,7 +1243,7 @@ while ($i < min($num, $limit)) {
 
 	// Action column
 	print '<td class="nowraponall center">';
-	if (empty($line->date_export) || empty($line->date_validation)) {
+	if (empty($line->date_export) && empty($line->date_validation)) {
 		if ($user->rights->accounting->mouvements->creer) {
 			print '<a class="editfielda paddingleft marginrightonly" href="' . DOL_URL_ROOT . '/accountancy/bookkeeping/card.php?piece_num=' . $line->piece_num . $param . '&page=' . $page . ($sortfield ? '&sortfield=' . $sortfield : '') . ($sortorder ? '&sortorder=' . $sortorder : '') . '">' . img_edit() . '</a>';
 		}
diff --git a/htdocs/accountancy/bookkeeping/listbyaccount.php b/htdocs/accountancy/bookkeeping/listbyaccount.php
index 98c3f14191b..63ecc2d420b 100644
--- a/htdocs/accountancy/bookkeeping/listbyaccount.php
+++ b/htdocs/accountancy/bookkeeping/listbyaccount.php
@@ -852,12 +852,14 @@ while ($i < min($num, $limit)) {
 
 	// Action column
 	print '<td class="nowraponall center">';
-	if (empty($line->date_export)) {
+	if (empty($line->date_export) && empty($line->date_validation)) {
 		if ($user->rights->accounting->mouvements->creer) {
-			print '<a class="editfielda" href="'.DOL_URL_ROOT.'/accountancy/bookkeeping/card.php?piece_num='.$line->piece_num.$param.'&page='.$page.($sortfield ? '&sortfield='.$sortfield : '').($sortorder ? '&sortorder='.$sortorder : '').'">'.img_edit().'</a>';
+			print '<a class="editfielda paddingleft marginrightonly" href="' . DOL_URL_ROOT . '/accountancy/bookkeeping/card.php?piece_num=' . $line->piece_num . $param . '&page=' . $page . ($sortfield ? '&sortfield=' . $sortfield : '') . ($sortorder ? '&sortorder=' . $sortorder : '') . '">' . img_edit() . '</a>';
 		}
+	}
+	if (empty($line->date_validation)) {
 		if ($user->rights->accounting->mouvements->supprimer) {
-			print ' &nbsp; <a class="paddingleft" href="'.$_SERVER['PHP_SELF'].'?action=delmouv&mvt_num='.$line->piece_num.$param.'&page='.$page.($sortfield ? '&sortfield='.$sortfield : '').($sortorder ? '&sortorder='.$sortorder : '').'">'.img_delete().'</a>';
+			print '<a class="reposition paddingleft marginrightonly" href="'.$_SERVER['PHP_SELF'].'?action=delmouv&mvt_num='.$line->piece_num.$param.'&page='.$page.($sortfield ? '&sortfield='.$sortfield : '').($sortorder ? '&sortorder='.$sortorder : '').'">'.img_delete().'</a>';
 		}
 	}
 	print '</td>';
diff --git a/htdocs/accountancy/bookkeeping/listbysubaccount.php b/htdocs/accountancy/bookkeeping/listbysubaccount.php
index 20899c693c6..434867112f9 100644
--- a/htdocs/accountancy/bookkeeping/listbysubaccount.php
+++ b/htdocs/accountancy/bookkeeping/listbysubaccount.php
@@ -866,12 +866,14 @@ while ($i < min($num, $limit)) {
 
 	// Action column
 	print '<td class="nowraponall center">';
-	if (empty($line->date_export)) {
+	if (empty($line->date_export) && empty($line->date_validation)) {
 		if ($user->rights->accounting->mouvements->creer) {
-			print '<a class="editfielda" href="'.DOL_URL_ROOT.'/accountancy/bookkeeping/card.php?piece_num='.$line->piece_num.$param.'&page='.$page.($sortfield ? '&sortfield='.$sortfield : '').($sortorder ? '&sortorder='.$sortorder : '').'">'.img_edit().'</a>';
+			print '<a class="editfielda paddingleft marginrightonly" href="' . DOL_URL_ROOT . '/accountancy/bookkeeping/card.php?piece_num=' . $line->piece_num . $param . '&page=' . $page . ($sortfield ? '&sortfield=' . $sortfield : '') . ($sortorder ? '&sortorder=' . $sortorder : '') . '">' . img_edit() . '</a>';
 		}
+	}
+	if (empty($line->date_validation)) {
 		if ($user->rights->accounting->mouvements->supprimer) {
-			print ' &nbsp; <a class="paddingleft" href="'.$_SERVER['PHP_SELF'].'?action=delmouv&mvt_num='.$line->piece_num.$param.'&page='.$page.($sortfield ? '&sortfield='.$sortfield : '').($sortorder ? '&sortorder='.$sortorder : '').'">'.img_delete().'</a>';
+			print '<a class="reposition paddingleft marginrightonly" href="'.$_SERVER['PHP_SELF'].'?action=delmouv&mvt_num='.$line->piece_num.$param.'&page='.$page.($sortfield ? '&sortfield='.$sortfield : '').($sortorder ? '&sortorder='.$sortorder : '').'">'.img_delete().'</a>';
 		}
 	}
 	print '</td>';
diff --git a/htdocs/accountancy/class/bookkeeping.class.php b/htdocs/accountancy/class/bookkeeping.class.php
index 6bd39f4e227..aeaa42154d8 100644
--- a/htdocs/accountancy/class/bookkeeping.class.php
+++ b/htdocs/accountancy/class/bookkeeping.class.php
@@ -1506,6 +1506,7 @@ class BookKeeping extends CommonObject
 		$sql = "DELETE";
 		$sql .= " FROM ".MAIN_DB_PREFIX.$this->table_element;
 		$sql .= " WHERE piece_num = ".(int) $piecenum;
+		$sql .= " AND date_validated IS NULL";		// For security, exclusion of validated entries at the time of deletion
 		$sql .= " AND entity IN (".getEntity('accountancy').")";
 
 		$resql = $this->db->query($sql);