diff --git a/back/models/bank-entity.js b/back/models/bank-entity.js
index c89e0b364..ac352f93c 100644
--- a/back/models/bank-entity.js
+++ b/back/models/bank-entity.js
@@ -8,6 +8,26 @@ module.exports = Self => {
     });
 
     Self.validatesUniquenessOf('bic', {
-        message: 'This BIC already exist.'
+        message: 'This BIC already exist'
     });
+
+    Self.validatesPresenceOf('countryFk', {
+        message: 'CountryFK cannot be empty'
+    });
+
+    Self.validateAsync('bic', checkBic, {
+        message: 'Bank entity id must be specified'
+    });
+    async function checkBic(err, done) {
+        const filter = {
+            fields: ['code'],
+            where: {id: this.countryFk}
+        };
+        const country = await Self.app.models.Country.findOne(filter);
+        const code = country ? country.code.toLowerCase() : null;
+
+        if (code == 'es' && !this.id)
+            err();
+        done();
+    }
 };
diff --git a/loopback/locale/en.json b/loopback/locale/en.json
index 10ab08d57..7e010e1b5 100644
--- a/loopback/locale/en.json
+++ b/loopback/locale/en.json
@@ -198,6 +198,7 @@
 	"Booking completed": "Booking complete",
 	"The ticket is in preparation": "The ticket [{{ticketId}}]({{{ticketUrl}}}) of the sales person {{salesPersonId}} is in preparation",
 	"You can only add negative amounts in refund tickets": "You can only add negative amounts in refund tickets",
+	"Bank entity must be specified": "Bank entity must be specified",
 	"Try again": "Try again",
 	"keepPrice": "keepPrice",
 	"Cannot past travels with entries": "Cannot past travels with entries",
diff --git a/loopback/locale/es.json b/loopback/locale/es.json
index 5c7dc41b6..1dd70b633 100644
--- a/loopback/locale/es.json
+++ b/loopback/locale/es.json
@@ -338,5 +338,6 @@
 	"The alias cant be modified": "Este alias de correo no puede ser modificado",
 	"No tickets to invoice": "No hay tickets para facturar",
 	"Name should be uppercase": "El nombre debe ir en mayúscula",
+    "Bank entity must be specified": "La entidad bancaria es obligatoria",
 	"An email is necessary": "Es necesario un email"
 }