diff --git a/transfer.html b/transfer.html
index 6756386..71f123e 100644
--- a/transfer.html
+++ b/transfer.html
@@ -17,8 +17,59 @@
 	{{:error message="Aucun exercice ouvert"}}
 {{/years}}
 
+{{* déterminer les comptes d'immo en cours *}}
+{{:include file="_get_config.html" keep="module.config.unfinished"}}
+{{:assign condition="("}}
+{{#foreach from=$module.config.unfinished item="elem"}}
+	{{:assign code=$elem.code|cat:"%"|quote_sql}}
+	{{:assign condition=$condition|cat:" account.code LIKE "|cat:$code|cat:" OR "}}
+{{/foreach}}
+{{:assign condition=$condition|cat:"0)"}}
+
+{{* détails des écritures paramètres *}}
+{{:assign trans=$_GET.trans|explode:","}}
+{{:assign var="trans_list" value=$trans|map:quote_sql}}
+{{:assign trans_list=$trans_list|implode:","}}
+{{:assign trans_list="("|cat:$trans_list|cat:")"}}
+{{:assign condition=$condition|cat:" AND trans.id IN "|cat:$trans_list}}
+{{:assign condition=$condition|cat:" AND NOT (trans.status & 16)"}}
+
+{{#select
+	trans.id as trans_id,
+	trans.label AS trans_label,
+	trans.date AS trans_date,
+	SUM(line.debit) AS line_debit,
+	account.code AS account_code,
+	account.label AS account_label,
+	line.id_project as project_id
+	FROM acc_transactions AS trans
+	INNER JOIN acc_transactions_lines AS line ON line.id_transaction = trans.id
+	INNER JOIN acc_accounts AS account ON line.id_account = account.id
+	WHERE !condition
+	GROUP BY trans.id
+	;
+	!condition=$condition
+}}
+	{{:assign var="transactions.%s"|args:$trans_id
+		amount=$line_debit
+		date=$trans_date
+		code=$account_code
+		label=$account_label
+		project=$project_id
+	}}
+	{{if $max_date == null || $trans_date > $max_date}}
+		{{:assign max_date=$trans_date}}
+	{{/if}}
+{{/select}}
+
 {{* Traiter l'envoi du formulaire *}}
 {{#form on="transfer"}}
+	{{* vérifier que la date de mise en service est postérieure aux dates d'acquisition *}}
+	{{if $_POST.date_mes|parse_date < $max_date}}
+		{{:assign dacq=$max_date|date_short}}
+		{{:error message="La date de mise en service (%s) doit être postérieure à la date d'acquisition d'immobilisation la plus récente (%s) !"|args:$_POST.date_mes:$dacq}}
+	{{/if}}
+
 	{{* vérifier que la date de mise en service est située dans l'exercice sélectionné *}}
 	{{:assign ts_date = $_POST.date_mes|parse_date|strtotime}}
 	{{:assign ok=false}}
@@ -120,7 +171,6 @@
 	{{:assign lines_count=$lines|count}}
 	{{:assign lines_count="%d-1"|math:$lines_count}}
 	{{:assign var="immo_id" from="result.lines.%s.id"|args:$lines_count}}
-
 	{{* enregistrer les infos de l'immobilisation *}}
 	{{:save
 		key=""|uuid
@@ -137,7 +187,6 @@
 		{{:assign type_immo="other"}}
 	{{/if}}
 	{{:redirect force="index.html?ok=1&msg=immobilisation&type_immo=%s"|args:$type_immo}}
-
 {{/form}}
 
 {{* barre de navigation *}}
@@ -148,6 +197,15 @@
 {{:form_errors}}
 
 {{* formulaire d'ajout d'immobilisation *}}
+{{if $_GET.trans == null}}
+	{{:error message="Vous n'avez sélectionné aucune écriture !"}}
+{{/if}}
+
+{{if $max_date|strtotime > $now}}
+	{{:assign default_date=$max_date}}
+{{else}}
+	{{:assign default_date=$now|date_short}}
+{{/if}}
 
 {{#select id,label FROM acc_projects WHERE archived = 0;}}
 	{{:assign var="projects.%d"|args:$id value=$label}}
@@ -162,53 +220,13 @@
 	<p class="block error">La date choisie n'est dans aucun exercice ouvert !</p>
 </div>
 
-{{if $_GET.trans == null}}
-	{{:error message="Vous n'avez sélectionné aucune écriture !"}}
-{{/if}}
-
-{{* déterminer les comptes d'immo en cours *}}
-{{:include file="_get_config.html" keep="module.config.unfinished"}}
-{{:assign condition="("}}
-{{#foreach from=$module.config.unfinished item="elem"}}
-	{{:assign code=$elem.code|cat:"%"|quote_sql}}
-	{{:assign condition=$condition|cat:" account.code LIKE "|cat:$code|cat:" OR "}}
-{{/foreach}}
-{{:assign condition=$condition|cat:"0)"}}
-
-{{* détails des écritures paramètres *}}
-{{:assign trans=$_GET.trans|explode:","}}
-{{:assign var="trans_list" value=$trans|map:quote_sql}}
-{{:assign trans_list=$trans_list|implode:","}}
-{{:assign trans_list="("|cat:$trans_list|cat:")"}}
-{{:assign condition=$condition|cat:" AND trans.id IN "|cat:$trans_list}}
-{{:assign condition=$condition|cat:" AND NOT (trans.status & 16)"}}
-
-{{#select
-	trans.id as trans_id,
-	trans.label AS trans_label,
-	trans.date AS trans_date,
-	SUM(line.debit) AS line_debit,
-	account.code AS account_code,
-	account.label AS account_label,
-	line.id_project as project_id
-	FROM acc_transactions AS trans
-	INNER JOIN acc_transactions_lines AS line ON line.id_transaction = trans.id
-	INNER JOIN acc_accounts AS account ON line.id_account = account.id
-	WHERE !condition
-	GROUP BY trans.id
-	;
-	!condition=$condition
-}}
-	{{:assign var="transactions.%s"|args:$trans_id amount=$line_debit date=$trans_date code=$account_code label=$account_label project=$project_id}}
-{{/select}}
-
 <form method="post" action="">
 	<fieldset>
 		<legend>Données de l'immobilisation</legend>
 		<dl>
 			{{:input type="select" name="id_year" label="Exercice" default=$selected_year required=true
 			default_empty="— Faire un choix —" options=$open_years}}
-			{{:input type="date" name="date_mes" label="Date de mise en service" required=true default=$now|date_short}}
+			{{:input type="date" name="date_mes" label="Date de mise en service" required=true default=$default_date}}
 			{{:input type="text" name="designation" label="Libellé" required=true}}
 		</dl>
 	</fieldset>