diff --git a/combo/locale/fr/LC_MESSAGES/django.po b/combo/locale/fr/LC_MESSAGES/django.po
index 49f3e15b..b6bd8e43 100644
--- a/combo/locale/fr/LC_MESSAGES/django.po
+++ b/combo/locale/fr/LC_MESSAGES/django.po
@@ -7,8 +7,8 @@ msgid ""
 msgstr ""
 "Project-Id-Version: combo 0\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2018-03-19 09:29+0100\n"
-"PO-Revision-Date: 2018-03-19 09:29+0100\n"
+"POT-Creation-Date: 2018-03-21 20:19+0100\n"
+"PO-Revision-Date: 2018-03-21 20:27+0100\n"
 "Last-Translator: Thomas NOËL <tnoel@entrouvert.com>\n"
 "Language: French\n"
 "MIME-Version: 1.0\n"
@@ -38,11 +38,11 @@ msgid "Minimal booking duration is %s"
 msgstr "La durée minimale de réservation est %s."
 
 #: apps/calendar/models.py:33 apps/dataviz/models.py:33
-#: apps/dataviz/models.py:71 apps/dataviz/models.py:97 apps/lingo/models.py:494
-#: apps/lingo/models.py:601 apps/maps/models.py:187
+#: apps/dataviz/models.py:71 apps/dataviz/models.py:97 apps/lingo/models.py:588
+#: apps/lingo/models.py:695 apps/maps/models.py:187
 #: apps/newsletters/models.py:43 apps/wcs/models.py:40 apps/wcs/models.py:106
 #: data/models.py:106 data/models.py:652 data/models.py:706 data/models.py:752
-#: data/models.py:1053 data/models.py:1175
+#: data/models.py:1056 data/models.py:1178
 msgid "Title"
 msgstr "Titre"
 
@@ -118,9 +118,9 @@ msgid "Other parameter must be a JSON object containing only strings"
 msgstr "Doit être un objet JSON contenant uniquement des chaînes"
 
 #: apps/dataviz/models.py:34 apps/dataviz/models.py:72
-#: apps/dataviz/models.py:98 apps/notifications/models.py:44
+#: apps/dataviz/models.py:98 apps/notifications/models.py:72
 #: apps/wcs/models.py:41 data/models.py:653 data/models.py:707
-#: data/models.py:753 data/models.py:1054 data/models.py:1177
+#: data/models.py:753 data/models.py:1057 data/models.py:1180
 msgid "URL"
 msgstr "URL"
 
@@ -332,235 +332,245 @@ msgstr "Paiement"
 msgid "Online Payment"
 msgstr "Paiement en ligne"
 
-#: apps/lingo/models.py:48
+#: apps/lingo/models.py:54
 msgid "Dummy (for tests)"
 msgstr "Factice (pour tests)"
 
-#: apps/lingo/models.py:50
+#: apps/lingo/models.py:56
 msgid "SIPS (Atos, France)"
 msgstr "SIPS (Atos, France)"
 
-#: apps/lingo/models.py:51
+#: apps/lingo/models.py:57
 msgid "SIPS (Atos, other countries)"
 msgstr "SIPS (Atos, autres pays)"
 
-#: apps/lingo/models.py:52
+#: apps/lingo/models.py:58
 msgid "SP+ (Caisse d'epargne)"
 msgstr "SP+ (Caisse d'épargne)"
 
-#: apps/lingo/models.py:53
+#: apps/lingo/models.py:59
 msgid "Ingenico (formerly Ogone)"
 msgstr "Ingenico (précédemment Ogone)"
 
-#: apps/lingo/models.py:54
+#: apps/lingo/models.py:60
 msgid "Paybox"
 msgstr "Paybox"
 
-#: apps/lingo/models.py:55
+#: apps/lingo/models.py:61
 msgid "PayZen"
 msgstr "PayZen"
 
-#: apps/lingo/models.py:56
+#: apps/lingo/models.py:62
 msgid "TIPI"
 msgstr "TIPI"
 
-#: apps/lingo/models.py:75 apps/lingo/templates/lingo/combo/items.html:10
-#: apps/maps/models.py:87 apps/notifications/models.py:42
+#: apps/lingo/models.py:81 apps/lingo/templates/lingo/combo/items.html:10
+#: apps/maps/models.py:87 apps/notifications/models.py:70
 msgid "Label"
 msgstr "Libellé"
 
-#: apps/lingo/models.py:76 apps/maps/models.py:88
+#: apps/lingo/models.py:82 apps/maps/models.py:88
 msgid "Identifier"
 msgstr "Identifiant"
 
-#: apps/lingo/models.py:77
+#: apps/lingo/models.py:83
 msgid "The identifier is used in webservice calls."
 msgstr "L'identifiant est utilisé dans les appels webservice."
 
-#: apps/lingo/models.py:78 apps/momo/models.py:71 apps/wcs/models.py:107
+#: apps/lingo/models.py:84 apps/momo/models.py:71 apps/wcs/models.py:107
 msgid "Description"
 msgstr "Description"
 
-#: apps/lingo/models.py:79
+#: apps/lingo/models.py:85
 msgid "Payment Service"
 msgstr "Service de paiement"
 
-#: apps/lingo/models.py:82
+#: apps/lingo/models.py:88
 msgid "Payment Service Options"
 msgstr "Options du service de paiement"
 
-#: apps/lingo/models.py:83
+#: apps/lingo/models.py:89
 msgid "Default Regie"
 msgstr "Régie par défaut"
 
-#: apps/lingo/models.py:84
+#: apps/lingo/models.py:90
 msgid "Webservice URL to retrieve remote items"
 msgstr "Webservice de récuperation des factures distantes"
 
-#: apps/lingo/models.py:86
+#: apps/lingo/models.py:92
 msgid "Webservice URL to compute extra fees"
 msgstr "Webservice de calcul des frais additionnels"
 
-#: apps/lingo/models.py:88
+#: apps/lingo/models.py:94
 msgid "Minimal payment amount"
 msgstr "Montant minimum de paiement"
 
-#: apps/lingo/models.py:92
+#: apps/lingo/models.py:98
 msgid "Custom text displayed on success"
 msgstr "Texte personnalisé affiché après un paiement"
 
-#: apps/lingo/models.py:99 apps/lingo/models.py:493
+#: apps/lingo/models.py:105 apps/lingo/models.py:587
 msgid "Regie"
 msgstr "Régie"
 
-#: apps/lingo/models.py:123
+#: apps/lingo/models.py:129
 msgid "Your payment has been succesfully registered."
 msgstr "Votre paiement a été pris en compte."
 
-#: apps/lingo/models.py:210
+#: apps/lingo/models.py:249
+#, python-format
+msgid "Invoice %s to pay"
+msgstr "Facture n⁰ %s à payer"
+
+#: apps/lingo/models.py:251
+#, python-format
+msgid "Reminder: invoice %s to pay"
+msgstr "Rappel : facture n° %s à payer"
+
+#: apps/lingo/models.py:304
 msgid "Subject"
 msgstr "Objet"
 
-#: apps/lingo/models.py:211
+#: apps/lingo/models.py:305
 msgid "Source URL"
 msgstr "URL de source"
 
-#: apps/lingo/models.py:212
+#: apps/lingo/models.py:306
 msgid "Details"
 msgstr "Détails"
 
-#: apps/lingo/models.py:213 apps/lingo/templates/lingo/combo/items.html:13
+#: apps/lingo/models.py:307 apps/lingo/templates/lingo/combo/items.html:13
 #: apps/lingo/templates/lingo/tipi_form.html:37
 #: apps/lingo/templates/lingo/transaction_list.html:30
 msgid "Amount"
 msgstr "Montant (TTC)"
 
-#: apps/lingo/models.py:293
+#: apps/lingo/models.py:387
 msgid "This invoice is in litigation."
 msgstr "Cette facture est en contentieux."
 
-#: apps/lingo/models.py:294
+#: apps/lingo/models.py:388
 msgid "Autobilling has been set for this invoice."
 msgstr "Un prélévement automatique a lieu pour cette facture."
 
-#: apps/lingo/models.py:295
+#: apps/lingo/models.py:389
 msgid "Due date is over."
 msgstr "La date limite est dépassée."
 
-#: apps/lingo/models.py:325
+#: apps/lingo/models.py:419
 msgid "Anonymous User"
 msgstr "Usager anonyme"
 
-#: apps/lingo/models.py:332
+#: apps/lingo/models.py:426
 msgid "Running"
 msgstr "En cours"
 
-#: apps/lingo/models.py:333
+#: apps/lingo/models.py:427
 msgid "Paid"
 msgstr "Payé"
 
-#: apps/lingo/models.py:334
+#: apps/lingo/models.py:428
 msgid "Paid (accepted)"
 msgstr "Payé (accepté)"
 
-#: apps/lingo/models.py:335
+#: apps/lingo/models.py:429
 msgid "Cancelled"
 msgstr "Annulé"
 
-#: apps/lingo/models.py:336
+#: apps/lingo/models.py:430
 msgid "Expired"
 msgstr "Expiré"
 
-#: apps/lingo/models.py:337
+#: apps/lingo/models.py:431
 msgid "Unknown"
 msgstr "Inconnu"
 
-#: apps/lingo/models.py:365
+#: apps/lingo/models.py:459
 #, python-format
 msgid "Invoice #%s"
 msgstr "Facture n⁰ %s"
 
-#: apps/lingo/models.py:380
+#: apps/lingo/models.py:474
 msgid "Validation"
 msgstr "Validation"
 
-#: apps/lingo/models.py:381
+#: apps/lingo/models.py:475
 msgid "Cancellation"
 msgstr "Annulation"
 
-#: apps/lingo/models.py:395 apps/lingo/templates/lingo/combo/basket.html:3
+#: apps/lingo/models.py:489 apps/lingo/templates/lingo/combo/basket.html:3
 msgid "Basket"
 msgstr "Panier"
 
-#: apps/lingo/models.py:416
+#: apps/lingo/models.py:510
 #, python-format
 msgid "%d€"
 msgstr "%d €"
 
-#: apps/lingo/models.py:439
+#: apps/lingo/models.py:533
 #: apps/lingo/templates/lingo/combo/recent_transactions.html:2
 msgid "Recent Transactions"
 msgstr "Transactions récentes"
 
-#: apps/lingo/models.py:468
+#: apps/lingo/models.py:562
 msgid "Basket Link"
 msgstr "Lien vers le panier"
 
-#: apps/lingo/models.py:495 data/models.py:565 data/models.py:570
+#: apps/lingo/models.py:589 data/models.py:565 data/models.py:570
 msgid "Text"
 msgstr "Texte"
 
-#: apps/lingo/models.py:499
+#: apps/lingo/models.py:593
 msgid "Loading invoices..."
 msgstr "Chargement des factures…"
 
-#: apps/lingo/models.py:519 apps/wcs/forms.py:132 apps/wcs/models.py:234
+#: apps/lingo/models.py:613 apps/wcs/forms.py:132 apps/wcs/models.py:234
 msgid "All"
 msgstr "Tout"
 
-#: apps/lingo/models.py:555
+#: apps/lingo/models.py:649
 msgid "Items History Cell"
 msgstr "Historique des factures"
 
-#: apps/lingo/models.py:568
+#: apps/lingo/models.py:662
 msgid "Active Items Cell"
 msgstr "Factures actives"
 
-#: apps/lingo/models.py:583
+#: apps/lingo/models.py:677
 msgid "Self declared invoice payment"
 msgstr "Déclaration manuelle de facture"
 
-#: apps/lingo/models.py:595
+#: apps/lingo/models.py:689
 msgid "Indigo/PES v2"
 msgstr "Indigo/PES v2"
 
-#: apps/lingo/models.py:596
+#: apps/lingo/models.py:690
 msgid "ROLMRE"
 msgstr "ROLMRE"
 
-#: apps/lingo/models.py:602
+#: apps/lingo/models.py:696
 msgid "TIPI payment service URL"
 msgstr "URL du service de paiement TIPI"
 
-#: apps/lingo/models.py:603 apps/lingo/templates/lingo/manager_home.html:7
+#: apps/lingo/models.py:697 apps/lingo/templates/lingo/manager_home.html:7
 #: apps/lingo/templates/lingo/regie_list.html:5
 #: apps/lingo/templates/lingo/regie_list.html:11
 msgid "Regies"
 msgstr "Régies"
 
-#: apps/lingo/models.py:603
+#: apps/lingo/models.py:697
 msgid "separated by commas"
 msgstr "régies séparées par des virgules"
 
-#: apps/lingo/models.py:604
+#: apps/lingo/models.py:698
 msgid "Control protocol"
 msgstr "Protocole de contrôle"
 
-#: apps/lingo/models.py:605
+#: apps/lingo/models.py:699
 msgid "Test mode"
 msgstr "Mode test"
 
-#: apps/lingo/models.py:609
+#: apps/lingo/models.py:703
 msgid "TIPI Payment Form"
 msgstr "Formulaire de Paiement TIPI"
 
@@ -637,6 +647,85 @@ msgstr "Supprimer"
 msgid "Cancel"
 msgstr "Annuler"
 
+#: apps/lingo/templates/lingo/combo/invoice_email_notification_body.html:5
+#, python-format
+msgid ""
+"\n"
+"      We inform you that your invoice nr. %(id)s issued on %(creation_date)s "
+"of amount of %(amount)s€ is available on %(site_title)s.\n"
+"      "
+msgstr ""
+"\n"
+"Nous vous informons que votre facture numéro %(id)s émise le %(creation_date)s "
+"et d'un montant de %(amount)s€ est disponible sur %(site_title)s.\n"
+"      "
+
+#: apps/lingo/templates/lingo/combo/invoice_email_notification_body.html:9
+#, python-format
+msgid "You can <a href=\"%(payment_url)s\">view and pay it online</a>."
+msgstr "Vous pouvez <a href=\"%(payment_url)s\">la visualiser et la régler en ligne</a>."
+
+#: apps/lingo/templates/lingo/combo/invoice_email_notification_body.html:11
+#, python-format
+msgid ""
+"You can view it by going on your <a href=\"%(portal_url)s\">%(site_title)s</"
+"a>."
+msgstr ""
+"Vous pouvez la visualiser sur <a href=\"%(portal_url)s\">%(site_title)s</a>."
+
+#: apps/lingo/templates/lingo/combo/invoice_email_notification_body.html:13
+#, python-format
+msgid ""
+"\n"
+"      The amount of this invoice will be debited from your account at "
+"%(debit_date)s.\n"
+"      "
+msgstr ""
+"\n"
+"    Le montant de cette facture sera prélevé sur votre compte le "
+"%(debit_date)s.\n"
+"        "
+
+#: apps/lingo/templates/lingo/combo/invoice_email_notification_body.txt:2
+#, python-format
+msgid ""
+"\n"
+"We inform you that your invoice nr. %(id)s issued on %(creation_date)s of "
+"amount\n"
+"of %(amount)s€ is available on %(site_title)s."
+msgstr ""
+"\n"
+"Nous vous informons que votre facture numéro %(id)s émise le %(creation_date)s\n"
+"et d'un montant de %(amount)s€ est disponible sur %(site_title)s."
+
+#: apps/lingo/templates/lingo/combo/invoice_email_notification_body.txt:6
+#, python-format
+msgid "You can view and pay it online on %(payment_url)s."
+msgstr "Vous pouvez la visualiser et la régler en ligne sur %(payment_url)s ."
+
+#: apps/lingo/templates/lingo/combo/invoice_email_notification_body.txt:7
+#, python-format
+msgid "You can view it by going on %(portal_url)s."
+msgstr "Vous pouvez la visualiser sur %(portal_url)s ."
+
+#: apps/lingo/templates/lingo/combo/invoice_email_notification_body.txt:10
+#, python-format
+msgid ""
+"The amount of this invoice will be debited from your account at "
+"%(debit_date)s."
+msgstr ""
+"Le montant de cette facture sera prélevé sur votre compte le "
+"%(debit_date)s."
+
+#: apps/lingo/templates/lingo/combo/invoice_email_notification_subject.txt:2
+#, python-format
+msgid ""
+"\n"
+"New invoice nr. %(invoice_id)s is available\n"
+msgstr ""
+"\n"
+"Nouvelle facture numéro %(invoice_id)s disponible\n"
+
 #: apps/lingo/templates/lingo/combo/invoice_fullpage.html:5
 #, python-format
 msgid "Invoice number %(number)s"
@@ -1166,7 +1255,7 @@ msgstr "Icône du marqueur"
 msgid "Icon colour"
 msgstr "Couleur de l'icône"
 
-#: apps/maps/models.py:94 data/models.py:1057
+#: apps/maps/models.py:94 data/models.py:1060
 msgid "Cache duration"
 msgstr "Durée de cache"
 
@@ -1411,39 +1500,39 @@ msgstr ""
 "Une erreur est survenue lors de la sauvegarde des vo abonnements. Veuillez "
 "essayer plus tard."
 
-#: apps/notifications/__init__.py:22 apps/notifications/models.py:52
+#: apps/notifications/__init__.py:22 apps/notifications/models.py:81
 msgid "Notification"
 msgstr "Notification"
 
-#: apps/notifications/models.py:43
+#: apps/notifications/models.py:71
 msgid "Body"
 msgstr "Corps"
 
-#: apps/notifications/models.py:45
+#: apps/notifications/models.py:73
 msgid "Origin"
 msgstr "Origne"
 
-#: apps/notifications/models.py:46
+#: apps/notifications/models.py:74
 msgid "Start date and time"
 msgstr "Date et heure de début"
 
-#: apps/notifications/models.py:47
+#: apps/notifications/models.py:75
 msgid "End date and time"
 msgstr "Date et heure de fin"
 
-#: apps/notifications/models.py:48
+#: apps/notifications/models.py:76
 msgid "Acked"
 msgstr "Validée"
 
-#: apps/notifications/models.py:49
+#: apps/notifications/models.py:77
 msgid "External identifier"
 msgstr "Identifiant externe"
 
-#: apps/notifications/models.py:114
+#: apps/notifications/models.py:166
 msgid "Loading notifications..."
 msgstr "Chargement des notifications…"
 
-#: apps/notifications/models.py:117
+#: apps/notifications/models.py:169
 msgid "User Notifications"
 msgstr "Notifications à l'usager"
 
@@ -1613,7 +1702,7 @@ msgstr "ex: CNPHNTFB"
 msgid "Slug"
 msgstr "Slug"
 
-#: data/models.py:108 data/models.py:1055
+#: data/models.py:108 data/models.py:1058
 msgid "Template"
 msgstr "Modèle de page"
 
@@ -1774,15 +1863,15 @@ msgstr "Les paramètres ne correspondent pas au schéma attendu : %s"
 msgid "Same as parent"
 msgstr "Identique à la page parente"
 
-#: data/models.py:1058
+#: data/models.py:1061
 msgid "Force asynchronous mode"
 msgstr "Forcer le mode asynchrone"
 
-#: data/models.py:1060
+#: data/models.py:1063
 msgid "Variable names"
 msgstr "Noms des variables"
 
-#: data/models.py:1061
+#: data/models.py:1064
 msgid ""
 "Comma separated list of query-string variables to be copied in template "
 "context"
@@ -1790,19 +1879,19 @@ msgstr ""
 "Liste des variables de la query-string à envoyer dans le contexte pour le "
 "template (noms séparés par des virgules)"
 
-#: data/models.py:1063
+#: data/models.py:1066
 msgid "Request timeout"
 msgstr "Expiration des requêtes"
 
-#: data/models.py:1064
+#: data/models.py:1067
 msgid "In seconds. Use 0 for default system timeout"
 msgstr "En secondes.  Utiliser 0 pour le délai d'expliration par défaut."
 
-#: data/models.py:1067
+#: data/models.py:1070
 msgid "JSON Feed"
 msgstr "Fil JSON"
 
-#: data/models.py:1086
+#: data/models.py:1089
 msgid "Extra"
 msgstr "Extra"