diff --git a/amortization.html b/amortization.html
index 237ee0c..0caed6c 100644
--- a/amortization.html
+++ b/amortization.html
@@ -63,14 +63,15 @@
 		{{:assign total_credits="%d+%d"|math:$total_credits:$amount}}
 	{{/if}}
 {{/load}}
-{{:assign solde="%d-%d"|math:$ligne_immo.montant:$total_credits}}
+{{:assign var="ligne_immo.montant" value="%d-%d"|math:$ligne_immo.montant:$total_credits}}
+{{:assign solde=$ligne_immo.montant}}
 {{*:debug info_immo=$info_immo ligne_immo=$ligne_immo total_credits=$total_credits solde=$solde*}}
 
 {{if $info_immo.status == "amortized"}}
-	{{:assign amort_amount=$solde}}
+	{{:assign amort_amount=$ligne_immo.montant}}
 	{{:assign valeur_residuelle=0}}
 {{else}}
-	{{:assign valeur_residuelle=$solde}}
+	{{:assign valeur_residuelle=$ligne_immo.montant}}
 {{/if}}
 
 {{* lister les lignes des écritures d'amortissement liées à l'immobilisation *}}
@@ -207,13 +208,13 @@
 		{{/if}}
 		{{if $valeur_residuelle > 0}}
 			<dt>Montant des amortissements</dt>
-			<dd>{{"%d-%d"|math:$solde:$valeur_residuelle|money_currency_html:false|raw}}</dd>
+			<dd>{{"%d-%d"|math:$ligne_immo.montant:$valeur_residuelle|money_currency_html:false|raw}}</dd>
 			<dt>Valeur nette comptable</dt>
 			<dd>{{$valeur_residuelle|money_currency_html:false|raw}}</dd>
 		{{/if}}
 		{{if $info_immo.duration != null && $valeur_residuelle > 0}}
 			<dt>Annuité estimée</dt>
-			<dd>{{"min(%d, %f/%d)"|math:$valeur_residuelle:solde:$info_immo.duration|money_currency_html:false|raw}}</dd>
+			<dd>{{"min(%d, %f/%d)"|math:$valeur_residuelle:$ligne_immo.montant:$info_immo.duration|money_currency_html:false|raw}}</dd>
 		{{/if}}
 	</dl>
 </div>
diff --git a/attach_amort.html b/attach_amort.html
index f369cd4..f643f9a 100644
--- a/attach_amort.html
+++ b/attach_amort.html
@@ -11,7 +11,6 @@
 {{* chercher l'écriture d'immobilisation *}}
 {{#select
 	line.id_transaction as immo_trans_id,
-	line.debit as montant,
 	trans.label as trans_label,
 	line.label as line_label
 	FROM acc_transactions_lines as line
@@ -25,12 +24,11 @@
 {{/select}}
 
 {{* chercher le doc associé à l'immo *}}
-{{#load id=$_GET.immo_doc_id|intval assign="info_immo"}}
+{{#load id=$_GET.immo_doc_id|intval}}
 	{{:assign label_immo=$label|or:$ligne_immo.trans_label}}
 {{else}}
 	{{:error message="Immobilisation non trouvée"}}
 {{/load}}
-{{:assign montant_immo=$info_immo.amount|or:$ligne_immo.montant}}
 
 {{if $ligne_immo.line_label != null && $ligne_immo.line_label != $label_immo}}
 	{{:assign label_immo=$label_immo|cat:" — "|cat:$ligne_immo.line_label}}
@@ -69,9 +67,9 @@
 
 {{* Traiter l'envoi du formulaire *}}
 {{#form on="save"}}
+
 	{{* vérifier que le montant saisi est inférieur au reste *}}
-	{{if $_POST.montant == null || $_POST.montant == 0}}
-		{{:assign montant_amort=$reste}}
+	{{if $_POST.montant == null}}
 		{{if $montant_affecte == 0}}
 			{{:assign saved_amount=null}}
 		{{else}}
@@ -90,57 +88,6 @@
 		{{/if}}
 	{{/if}}
 
-	{{* vérifier que le montant total des amortissements ne dépasse pas la valeur de l'immo *}}
-	{{* montant de l'immo *}}
-	{{:assign total_credits=0}}
-	{{#load
-		type="credit_link"
-		where="$$.immo_doc_id = :immo_doc_id" :immo_doc_id = $_GET.immo_doc_id|intval
-	}}
-		{{if $amount == null}}
-			{{#select credit FROM acc_transactions_lines WHERE id = :credit_line_id;
-				:credit_line_id=$credit_line_id
-			}}
-				{{:assign total_credits="%d+%d"|math:$total_credits:$credit}}
-			{{/select}}
-		{{else}}
-			{{:assign total_credits="%d+%d"|math:$total_credits:$amount}}
-		{{/if}}
-	{{/load}}
-	{{:assign montant_immo="%d-%d"|math:$montant_immo:$total_credits}}
-
-	{{* montant des amortissements *}}
-	{{:assign total_amort=0}}
-	{{#load
-		type="amort_link"
-		where="$$.immo_doc_id = :immo_doc_id"
-		:immo_doc_id=$_GET.immo_doc_id|intval
-	}}
-		{{if $amount == null || $amount == 0}}
-			{{#select
-				line.credit
-				FROM acc_transactions_lines AS line
-				INNER JOIN acc_transactions AS trans ON line.id_transaction = trans.id
-				INNER join acc_accounts AS account on line.id_account = account.id
-				WHERE line.id = :amort_line_id
-				;
-				:amort_line_id = $amort_line_id
-			}}
-				{{:assign total_amort="%d+%d"|math:$total_amort:$credit}}
-			{{/select}}
-		{{else}}
-			{{:assign total_amort="%d+%d"|math:$total_amort:$amount}}
-		{{/if}}
-	{{/load}}
-
-	{{:assign vnc="%d-%d"|math:$montant_immo:$total_amort}}
-	{{:assign total_amort="%d+%d"|math:$total_amort:$montant_amort}}
-	{{if $total_amort > $montant_immo}}
-		{{:assign ma="%f"|math:$montant_amort|money_currency:false}}
-		{{:assign vnc="%f"|math:$vnc|money_currency:false}}
-		{{:error message="Le montant de l'amortissement (%s) dépasse la valeur résiduelle de l'immobilisation (%s)"|args:$ma:$vnc}}
-	{{/if}}
-
 	{{* chercher les liaisons de l'écriture d'immobilisation *}}
 	{{#select
 		CASE links.id_related = :immo_trans_id
@@ -182,16 +129,7 @@
 		}}
 	{{/load}}
 
-	{{* immo soldée ? *}}
-	{{if $total_amort == $montant_immo}}
-		{{:assign status="amortized"}}
-		{{:save
-			key=$info_immo.key
-			status=$status
-		}}
-	{{/if}}
-
-	{{:redirect force="amortization.html?immo_line_id=%s&immo_doc_id=%s&type_immo=%s&ok=1&msg=attach_amort"|args:$_GET.immo_line_id:$_GET.immo_doc_id:$status}}
+	{{:redirect force="amortization.html?immo_line_id=%s&immo_doc_id=%s&ok=1&msg=attach_amort"|args:$_GET.immo_line_id:$_GET.immo_doc_id}}
 {{/form}}
 
 {{:admin_header title="Amortir l'immobilisation" custom_css="./style.css" current="module_amortization"}}
@@ -210,12 +148,10 @@
 		<dd><span class="num"><a href="{{$trans_url}}">#{{$amort_line.trans_id}}</a></span> {{$label_immo}}</dd>
 		<dt>Montant de l'écriture d'amortissement</dt>
 		<dd>{{$amort_line.amount|money_currency_html:false|raw}}</dd>
-		{{if $montant_affecte > 0}}
-			<dt>Montant déjà affecté</dt>
-			<dd class="money strong">{{"%f"|math:$montant_affecte|money_currency_html:false|raw}}</dd>
-			<dt>Montant restant à affecter</dt>
-			<dd class="money strong">{{"%f"|math:$reste|money_currency_html:false|raw}}</dd>
-		{{/if}}
+		<dt>Montant déjà affecté</dt>
+		<dd class="money strong">{{"%f"|math:$montant_affecte|money_currency_html:false|raw}}</dd>
+		<dt>Montant restant à affecter</dt>
+		<dd class="money strong">{{"%f"|math:$reste|money_currency_html:false|raw}}</dd>
 	</dl>
 </div>
 
diff --git a/detach_amort.html b/detach_amort.html
index 06b99ff..caae1a0 100644
--- a/detach_amort.html
+++ b/detach_amort.html
@@ -68,12 +68,5 @@
 	{{:delete id=$id}}
 {{/load}}
 
-{{* marquer immo non soldée *}}
-{{#load id=$_GET.immo_doc_id|intval assign="info_immo"}}{{/load}}
-{{:save
-	key=$info_immo.key
-	status="managed"
-}}
-
 {{:redirect
 	to="amortization.html?immo_line_id=%s&ok=1&msg=detach&immo_doc_id=%s"|args:$_GET.immo_line_id:$_GET.immo_doc_id}}
diff --git a/save_amort.html b/save_amort.html
index 1b199c0..5b852bc 100644
--- a/save_amort.html
+++ b/save_amort.html
@@ -29,7 +29,7 @@
 {{/select}}
 {{:assign date_debut=$ligne_immo.date}}
 
-{{#load id=$_GET.immo_doc_id|intval assign="info_immo"}}
+{{#load id=$_GET.immo_doc_id|intval}}
 	{{:assign duree=$duration}}
 	{{if $date_mes != null}}
 		{{:assign date_debut=$date_mes}}
@@ -222,14 +222,15 @@
 		debit=$_POST.montant
 		account=$debit_account|keys|value:0
 		id_project=$ligne_immo.project_id
+		label=$_POST.designation
 	}}
 	{{:assign
 		var="lines."
 		credit=$_POST.montant
 		account=$credit_account|keys|value:0
 		id_project=$ligne_immo.project_id
+		label=$_POST.designation
 	}}
-
 	{{:api
 		method="POST"
 		path="accounting/transaction"
@@ -244,28 +245,28 @@
 	}}
 
 	{{* enregistrer la liaison des lignes *}}
-	{{#foreach from=$result.lines item="line"}}
-		{{if $line.account_code == $credit_account|keys|value:0}}
-			{{:save
-				key=""|uuid
-				type="amort_link"
-				immo_doc_id=$_GET.immo_doc_id|intval
-				amort_line_id=$line.id
-			}}
-			{{:break}}
-		{{/if}}
-	{{/foreach}}
-
-	{{* immo soldée ? *}}
-	{{if $_POST.montant|trim|money_int == $solde}}
-		{{:assign status="amortized"}}
+	{{#select
+		trans.id AS trans_id,
+		line.id AS line_id
+		FROM acc_transactions AS trans
+		INNER JOIN acc_transactions_lines AS line ON line.id_transaction = trans.id
+		WHERE trans.id = :trans_id
+		;
+		:trans_id = $result.id
+		}}
+		{{:assign amort_trans_id=$trans_id}}
+		{{:assign amort_line_id=$line_id}}
+	{{/select}}
+	{{if $amort_trans_id != null}}
 		{{:save
-			key=$info_immo.key
-			status=$status
+			key=""|uuid
+			type="amort_link"
+			immo_doc_id=$_GET.immo_doc_id|intval
+			amort_line_id=$amort_line_id|intval
 		}}
 	{{/if}}
 
-	{{:redirect force="amortization.html?immo_line_id=%s&immo_doc_id=%s&type_immo=%s&ok=1&msg=amortissement"|args:$_GET.immo_line_id:$_GET.immo_doc_id:$status}}
+	{{:redirect force="amortization.html?immo_line_id=%s&immo_doc_id=%s&ok=1&msg=amortissement"|args:$_GET.immo_line_id:$_GET.immo_doc_id}}
 {{/form}}
 
 {{:admin_header title="Ajout amortissement" custom_css="./style.css" current="module_amortization"}}