diff --git a/htdocs/langs/en_US/bills.lang b/htdocs/langs/en_US/bills.lang
index 4595ec5f528..7a7c23f4b8a 100644
--- a/htdocs/langs/en_US/bills.lang
+++ b/htdocs/langs/en_US/bills.lang
@@ -352,6 +352,16 @@ PaymentInvoiceRef=Payment invoice %s
ValidateInvoice=Validate invoice
Cash=Cash
Reported=Delayed
+##### Types de contacts #####
+TypeContact_facture_internal_SALESREPFOLL=Representative following-up customer invoice
+TypeContact_facture_external_BILLING=Customer invoice contact
+TypeContact_facture_external_SHIPPING=Customer shipping contact
+TypeContact_facture_external_SERVICE=Customer service contact
+TypeContact_facture_fourn_internal_SALESREPFOLL=Representative following-up supplier invoice
+TypeContact_facture_fourn_external_BILLING=Supplier invoice contact
+TypeContact_facture_fourn_external_SHIPPING=Supplier shipping contact
+TypeContact_facture_fourn_external_SERVICE=Supplier service contact
+
# oursin PDF model
Of=du
diff --git a/htdocs/langs/en_US/orders.lang b/htdocs/langs/en_US/orders.lang
index 0c426ae8548..3c330042b21 100755
--- a/htdocs/langs/en_US/orders.lang
+++ b/htdocs/langs/en_US/orders.lang
@@ -104,6 +104,17 @@ UserWithApproveOrderGrant=Users granted with "approve orders" permission.
PaymentOrderRef=Payment of order %s
CloneOrder=Clone order
ConfirmCloneOrder=Are you sure you want to clone this order %s ?
+##### Types de contacts #####
+TypeContact_commande_internal_SALESREPFOLL=Representative following-up customer order
+TypeContact_commande_internal_SHIPPING=Representative following-up shipping
+TypeContact_commande_external_BILLING=Customer invoice contact
+TypeContact_commande_external_SHIPPING=Customer shipping contact
+TypeContact_commande_external_CUSTOMER=Customer contact following-up order
+TypeContact_order_supplier_internal_SALESREPFOLL=Representative following-up supplier order
+TypeContact_order_supplier_internal_SHIPPING=Representative following-up shipping
+TypeContact_order_supplier_external_BILLING=Supplier invoice contact
+TypeContact_order_supplier_external_SHIPPING=Supplier shipping contact
+TypeContact_order_supplier_external_CUSTOMER=Supplier contact following-up order
Error_COMMANDE_SUPPLIER_ADDON_NotDefined=Constant COMMANDE_SUPPLIER_ADDON not defined
Error_COMMANDE_ADDON_NotDefined=Constant COMMANDE_ADDON not defined
diff --git a/htdocs/langs/en_US/projects.lang b/htdocs/langs/en_US/projects.lang
index 519d5ca566d..cd7aacb0e78 100755
--- a/htdocs/langs/en_US/projects.lang
+++ b/htdocs/langs/en_US/projects.lang
@@ -60,5 +60,8 @@ ConfirmCloseAProject=Are you sure you want to close this project ?
ReOpenAProject=Open project
ConfirmReOpenAProject=Are you sure you want to re-open this project ?
ProjectContact=Project contacts
+##### Types de contacts #####
+TypeContact_project_internal_PROJECTLEADER=Project leader
+TypeContact_project_external_PROJECTLEADER=Project leader
# Documents models
DocumentModelBaleine=A complete project's report model (logo...)
diff --git a/htdocs/langs/en_US/propal.lang b/htdocs/langs/en_US/propal.lang
index 6721a1d143c..bd8107e1af2 100644
--- a/htdocs/langs/en_US/propal.lang
+++ b/htdocs/langs/en_US/propal.lang
@@ -81,6 +81,10 @@ ClonePropal=Clone commercial proposal
ConfirmClonePropal=Are you sure you want to clone this commercial proposal %s ?
ProposalsAndProposalsLines=Commercial proposal and lines
ProposalLine=Proposal line
+##### Types de contacts #####
+TypeContact_propal_internal_SALESREPFOLL=Representative following-up proposal
+TypeContact_propal_external_BILLING=Customer invoice contact
+TypeContact_propal_external_CUSTOMER=Customer contact following-up proposal
# Document models
DocModelAzurDescription=A complete proposal model (logo...)
diff --git a/htdocs/langs/fr_FR/bills.lang b/htdocs/langs/fr_FR/bills.lang
index a0972424592..116e461641a 100644
--- a/htdocs/langs/fr_FR/bills.lang
+++ b/htdocs/langs/fr_FR/bills.lang
@@ -351,10 +351,18 @@ PaymentInvoiceRef=Paiement facture %s
ValidateInvoice=Valider facture
Cash=Liquide
Reported=Différé
-
InvoiceDeposit=Facture d'acompte
InvoiceDepositAsk=Facture d'acompte
InvoiceDepositDesc=La facture d'acompte est le type de facture qui fait suite à réception d'un acompte, s'il n'est pas encore possible de saisir le paiement sur une facture définitive.
+##### Types de contacts #####
+TypeContact_facture_internal_SALESREPFOLL=Reponsable suivi facture client
+TypeContact_facture_external_BILLING=Contact client facturation
+TypeContact_facture_external_SHIPPING=Contact client livraison
+TypeContact_facture_external_SERVICE=Contact client prestation
+TypeContact_facture_fourn_internal_SALESREPFOLL=Reponsable suivi facture fournisseur
+TypeContact_facture_fourn_external_BILLING=Contact fournisseur facturation
+TypeContact_facture_fourn_external_SHIPPING=Contact fournisseur livraison
+TypeContact_facture_fourn_external_SERVICE=Contact fournisseur prestation
diff --git a/htdocs/langs/fr_FR/orders.lang b/htdocs/langs/fr_FR/orders.lang
index 073a1d37a6f..d13f828baec 100755
--- a/htdocs/langs/fr_FR/orders.lang
+++ b/htdocs/langs/fr_FR/orders.lang
@@ -104,6 +104,17 @@ UserWithApproveOrderGrant=Utilisateurs habilités à approuver les commandes
PaymentOrderRef=Paiement commande %s
CloneOrder=Cloner commande
ConfirmCloneOrder=Etes-vous sur de vouloir cloner cette commande %s ?
+##### Types de contacts #####
+TypeContact_commande_internal_SALESREPFOLL=Reponsable suivi commande client
+TypeContact_commande_internal_SHIPPING=Reponsable envoi commande client
+TypeContact_commande_external_BILLING=Contact client facturation commande
+TypeContact_commande_external_SHIPPING=Contact client livraison commande
+TypeContact_commande_external_CUSTOMER=Contact client suivi commande
+TypeContact_order_supplier_internal_SALESREPFOLL=Reponsable suivi commande fournisseur
+TypeContact_order_supplier_internal_SHIPPING=Reponsable réception commande fournisseur
+TypeContact_order_supplier_external_BILLING=Contact fournisseur facturation commande
+TypeContact_order_supplier_external_SHIPPING=Contact fournisseur livraison commande
+TypeContact_order_supplier_external_CUSTOMER=Contact fournisseur suivi commande
Error_COMMANDE_SUPPLIER_ADDON_NotDefined=Constante COMMANDE_SUPPLIER_ADDON non définie
Error_COMMANDE_ADDON_NotDefined=Constante COMMANDE_ADDON non définie
diff --git a/htdocs/langs/fr_FR/projects.lang b/htdocs/langs/fr_FR/projects.lang
index 200c07b6b39..0c6c316218f 100755
--- a/htdocs/langs/fr_FR/projects.lang
+++ b/htdocs/langs/fr_FR/projects.lang
@@ -60,5 +60,8 @@ ConfirmCloseAProject=Etes-vous sur de vouloir clore ce projet ?
ReOpenAProject=Réouvrir projet
ConfirmReOpenAProject=Etes-vous sur de vouloir rouvrir ce projet ?
ProjectContact=Contacts projet
+##### Types de contacts #####
+TypeContact_project_internal_PROJECTLEADER=Chef de projet
+TypeContact_project_external_PROJECTLEADER=Chef de projet
# Documents models
DocumentModelBaleine=Modèle de rapport de projet complet (logo...)
diff --git a/htdocs/langs/fr_FR/propal.lang b/htdocs/langs/fr_FR/propal.lang
index 49cb598bb61..d5a93583349 100644
--- a/htdocs/langs/fr_FR/propal.lang
+++ b/htdocs/langs/fr_FR/propal.lang
@@ -81,6 +81,10 @@ ClonePropal=Cloner proposition commerciale
ConfirmClonePropal=Etes-vous sur de vouloir cloner cette proposition commerciale %s ?
ProposalsAndProposalsLines=Propositions commerciales clientes et lignes de propositions
ProposalLine=Ligne de proposition
+##### Types de contacts #####
+TypeContact_propal_internal_SALESREPFOLL=Commercial suivi propale
+TypeContact_propal_external_BILLING=Contact client facturation propale
+TypeContact_propal_external_CUSTOMER=Contact client suivi propale
# Documents models
DocModelAzurDescription=Modèle de propositions commerciales complet (logo...)