diff --git a/modules/invoiceOut/back/methods/invoiceOut/filter.js b/modules/invoiceOut/back/methods/invoiceOut/filter.js
index 8b6d00763..58e8c5243 100644
--- a/modules/invoiceOut/back/methods/invoiceOut/filter.js
+++ b/modules/invoiceOut/back/methods/invoiceOut/filter.js
@@ -19,42 +19,56 @@ module.exports = Self => {
                 type: 'String',
                 description: 'Searchs the invoiceOut by id',
                 http: {source: 'query'}
-            }, {
+            },
+            {
                 arg: 'clientFk',
                 type: 'Integer',
                 description: 'The client id',
                 http: {source: 'query'}
-            }, {
+            },
+            {
+                arg: 'fi',
+                type: 'String',
+                description: 'The client fiscal id',
+                http: {source: 'query'}
+            },
+            {
                 arg: 'hasPdf',
                 type: 'Boolean',
                 description: 'Whether the the invoiceOut has PDF or not',
                 http: {source: 'query'}
-            }, {
+            },
+            {
                 arg: 'amount',
                 type: 'Number',
                 description: 'The amount filter',
                 http: {source: 'query'}
-            }, {
+            },
+            {
                 arg: 'min',
                 type: 'Number',
                 description: 'The minimun amount flter',
                 http: {source: 'query'}
-            }, {
+            },
+            {
                 arg: 'max',
                 type: 'Number',
                 description: 'The maximun amount flter',
                 http: {source: 'query'}
-            }, {
+            },
+            {
                 arg: 'issued',
                 type: 'Date',
                 description: 'The issued date filter',
                 http: {source: 'query'}
-            }, {
+            },
+            {
                 arg: 'created',
                 type: 'Date',
                 description: 'The created date filter',
                 http: {source: 'query'}
-            }, {
+            },
+            {
                 arg: 'dued',
                 type: 'Date',
                 description: 'The due date filter',
@@ -88,6 +102,8 @@ module.exports = Self => {
                 return {'i.created': value};
             case 'clientFk':
                 return {'i.clientFk': value};
+            case 'fi':
+                return {'c.fi': value};
             case 'amount':
             case 'companyFk':
             case 'issued':
diff --git a/modules/invoiceOut/front/locale/es.yml b/modules/invoiceOut/front/locale/es.yml
index d21c9c23c..0a5b190eb 100644
--- a/modules/invoiceOut/front/locale/es.yml
+++ b/modules/invoiceOut/front/locale/es.yml
@@ -1,2 +1,3 @@
 InvoiceOut: Facturas
-Search invoices by reference: Buscar facturas por referencia
\ No newline at end of file
+Search invoices by reference: Buscar facturas por referencia
+Client fiscal id: CIF del cliente
\ No newline at end of file
diff --git a/modules/invoiceOut/front/search-panel/index.html b/modules/invoiceOut/front/search-panel/index.html
index ec469264c..f49002cca 100644
--- a/modules/invoiceOut/front/search-panel/index.html
+++ b/modules/invoiceOut/front/search-panel/index.html
@@ -15,6 +15,11 @@
                 label="Client id"
                 ng-model="filter.clientFk">
             </vn-textfield>
+            <vn-textfield
+                vn-one
+                label="Client fiscal id"
+                ng-model="filter.fi">
+            </vn-textfield>
             <vn-check
                 vn-one
                 triple-state="true"