diff --git a/htdocs/compta/facture/class/facture.class.php b/htdocs/compta/facture/class/facture.class.php
index 0aa2408a9cc..d05ad059577 100644
--- a/htdocs/compta/facture/class/facture.class.php
+++ b/htdocs/compta/facture/class/facture.class.php
@@ -286,6 +286,8 @@ class Facture extends CommonInvoice
 			$result=$_facrec->fetch($this->fac_rec);
 			$result=$_facrec->fetchObjectLinked();       // This load $_facrec->linkedObjectsIds
 
+			$originaldatewhen = $_facrec->date_when;
+
 			$this->socid 		     = $_facrec->socid;  // Invoice created on same thirdparty than template
 			$this->entity            = $_facrec->entity; // Invoice created in same entity than template
 
@@ -361,8 +363,13 @@ class Facture extends CommonInvoice
 			    '__INVOICE_PREVIOUS_YEAR__' => dol_print_date(dol_time_plus_duree($this->date, -1, 'y'), '%Y'),
 			    '__INVOICE_YEAR__' => dol_print_date($this->date, '%Y'),
 			    '__INVOICE_NEXT_YEAR__' => dol_print_date(dol_time_plus_duree($this->date, 1, 'y'), '%Y'),
+				// Only for tempalte invoice
+				'__INVOICE_DATE_NEXT_INVOICE_BEFORE_GEN__' => dol_print_date($originaldatewhen, 'dayhour'),
+				'__INVOICE_DATE_NEXT_INVOICE_AFTER_GEN__' => dol_print_date(dol_time_plus_duree($originaldatewhen, $_facrec->frequency, $_facrec->unit_frequency), 'dayhour')
 			);
 
+			//var_dump($substitutionarray);exit;
+
 			$substitutionisok=true;
 			complete_substitutions_array($substitutionarray, $outputlangs);
 
diff --git a/htdocs/compta/facture/fiche-rec.php b/htdocs/compta/facture/fiche-rec.php
index 9c95d25ceaa..08011336976 100644
--- a/htdocs/compta/facture/fiche-rec.php
+++ b/htdocs/compta/facture/fiche-rec.php
@@ -995,7 +995,10 @@ if ($action == 'create')
 		    '__INVOICE_NEXT_MONTH_TEXT__' => $langs->trans("TextNextMonthOfInvoice").' ('.$langs->trans("Example").': '.dol_print_date(dol_time_plus_duree($object->date, 1, 'm'), '%B').')',
 		    '__INVOICE_PREVIOUS_YEAR__' => $langs->trans("YearOfInvoice").' ('.$langs->trans("Example").': '.dol_print_date(dol_time_plus_duree($object->date, -1, 'y'),'%Y').')',
 		    '__INVOICE_YEAR__' =>  $langs->trans("PreviousYearOfInvoice").' ('.$langs->trans("Example").': '.dol_print_date($object->date,'%Y').')',
-		    '__INVOICE_NEXT_YEAR__' => $langs->trans("NextYearOfInvoice").' ('.$langs->trans("Example").': '.dol_print_date(dol_time_plus_duree($object->date, 1, 'y'),'%Y').')'
+		    '__INVOICE_NEXT_YEAR__' => $langs->trans("NextYearOfInvoice").' ('.$langs->trans("Example").': '.dol_print_date(dol_time_plus_duree($object->date, 1, 'y'),'%Y').')',
+			// Only on template invoices
+			'__INVOICE_DATE_NEXT_INVOICE_BEFORE_GEN__' => $langs->trans("DateNextInvoiceBeforeGen").' ('.$langs->trans("Example").': '.dol_print_date($object->date_when, 'dayhour').')',
+		    '__INVOICE_DATE_NEXT_INVOICE_AFTER_GEN__' => $langs->trans("DateNextInvoiceAfterGen").' ('.$langs->trans("Example").': '.dol_print_date(dol_time_plus_duree($object->date_when, $object->frequency, $object->unit_frequency),'dayhour').')',
 		);
 		$substitutionarray['__(TransKey)__']=$langs->trans("TransKey");
 
@@ -1314,7 +1317,10 @@ else
 		    '__INVOICE_NEXT_MONTH_TEXT__' => $langs->trans("TextNextMonthOfInvoice").' ('.$langs->trans("Example").': '.dol_print_date(dol_time_plus_duree($dateexample, 1, 'm'), '%B').')',
 		    '__INVOICE_PREVIOUS_YEAR__' => $langs->trans("YearOfInvoice").' ('.$langs->trans("Example").': '.dol_print_date(dol_time_plus_duree($dateexample, -1, 'y'),'%Y').')',
 		    '__INVOICE_YEAR__' =>  $langs->trans("PreviousYearOfInvoice").' ('.$langs->trans("Example").': '.dol_print_date($dateexample,'%Y').')',
-		    '__INVOICE_NEXT_YEAR__' => $langs->trans("NextYearOfInvoice").' ('.$langs->trans("Example").': '.dol_print_date(dol_time_plus_duree($dateexample, 1, 'y'),'%Y').')'
+		    '__INVOICE_NEXT_YEAR__' => $langs->trans("NextYearOfInvoice").' ('.$langs->trans("Example").': '.dol_print_date(dol_time_plus_duree($dateexample, 1, 'y'),'%Y').')',
+			// Only on template invoices
+			'__INVOICE_DATE_NEXT_INVOICE_BEFORE_GEN__' => $langs->trans("DateNextInvoiceBeforeGen").' ('.$langs->trans("Example").': '.dol_print_date($object->date_when, 'dayhour').')',
+		    '__INVOICE_DATE_NEXT_INVOICE_AFTER_GEN__' => $langs->trans("DateNextInvoiceAfterGen").' ('.$langs->trans("Example").': '.dol_print_date(dol_time_plus_duree($object->date_when, $object->frequency, $object->unit_frequency),'dayhour').')',
 		);
 		$substitutionarray['__(TransKey)__']=$langs->trans("TransKey");