diff --git a/services/loopback/common/methods/client/specs/updateFiscalData.spec.js b/services/loopback/common/methods/client/specs/updateFiscalData.spec.js
new file mode 100644
index 000000000..d3deed3cc
--- /dev/null
+++ b/services/loopback/common/methods/client/specs/updateFiscalData.spec.js
@@ -0,0 +1,51 @@
+const app = require(`${servicesDir}/client/server/server`);
+
+describe('Client updateFiscalData', () => {
+    afterAll(async() => {
+        let ctxOfAdmin = {req: {accessToken: {userId: 5}}};
+        let validparams = {postcode: 46460};
+        let idWithDataChecked = 101;
+
+        await app.models.Client.updateFiscalData(ctxOfAdmin, validparams, idWithDataChecked);
+    });
+
+    it('should return an error if the user is not administrative and the isTaxDataChecked value is true', async() => {
+        let error;
+
+        let ctxOfNoAdmin = {req: {accessToken: {userId: 1}}};
+        let params = [];
+        let idWithDataChecked = 101;
+
+        await app.models.Client.updateFiscalData(ctxOfNoAdmin, params, idWithDataChecked)
+            .catch(e => {
+                error = e;
+            });
+
+        expect(error.toString()).toContain(`You don't have enough privileges to do that`);
+    });
+
+    it('should return an error if the user is administrative and the isTaxDataChecked value is true BUT the params aint valid', async() => {
+        let error;
+
+        let ctxOfAdmin = {req: {accessToken: {userId: 5}}};
+        let invalidparams = {invalid: 'param for update'};
+        let idWithDataChecked = 101;
+
+        await app.models.Client.updateFiscalData(ctxOfAdmin, invalidparams, idWithDataChecked)
+            .catch(e => {
+                error = e;
+            });
+
+        expect(error.toString()).toContain(`You don't have enough privileges to do that`);
+    });
+
+    it('should update the client discal data and return the count if changes made', async() => {
+        let ctxOfAdmin = {req: {accessToken: {userId: 5}}};
+        let validparams = {postcode: 12345};
+        let idWithDataChecked = 101;
+
+        let result = await app.models.Client.updateFiscalData(ctxOfAdmin, validparams, idWithDataChecked);
+
+        expect(result).toEqual({count: 1});
+    });
+});
diff --git a/services/loopback/common/methods/client/updateFiscalData.js b/services/loopback/common/methods/client/updateFiscalData.js
index 3c74c44ea..148711034 100644
--- a/services/loopback/common/methods/client/updateFiscalData.js
+++ b/services/loopback/common/methods/client/updateFiscalData.js
@@ -31,13 +31,12 @@ module.exports = Self => {
     Self.updateFiscalData = async(ctx, params, id) => {
         let userId = ctx.req.accessToken.userId;
         let isAdministrative = await Self.app.models.Account.hasRole(userId, 'administrative');
-
         let [taxData] = await Self.app.models.Client.find({where: {id: id}, fields: ['isTaxDataChecked']});
+
         if (!isAdministrative && taxData.isTaxDataChecked)
             throw new UserError(`You don't have enough privileges to do that`);
 
         let validUpdateParams = [
-            'id',
             'socialName',
             'fi',
             'street',