diff --git a/modules/client/front/postcode/index.html b/modules/client/front/postcode/index.html
index b3dbb74d8..fa0b7870f 100644
--- a/modules/client/front/postcode/index.html
+++ b/modules/client/front/postcode/index.html
@@ -53,7 +53,7 @@
             <vn-autocomplete vn-one
                 ng-model="$ctrl.location.countryFk"
                 url="Countries"
-                show-field="country"
+                show-field="name"
                 value-field="id"
                 label="Country">
             </vn-autocomplete>
diff --git a/modules/worker/back/methods/worker/new.js b/modules/worker/back/methods/worker/new.js
index ba9dc3853..fddabcf43 100644
--- a/modules/worker/back/methods/worker/new.js
+++ b/modules/worker/back/methods/worker/new.js
@@ -202,7 +202,7 @@ module.exports = Self => {
                 bossFk,
                 fi,
                 birth,
-
+                provinceFk,
             }, myOptions);
 
             if (tx) await tx.commit();
diff --git a/modules/worker/back/models/worker.js b/modules/worker/back/models/worker.js
index 0b0e043f2..3507cab8a 100644
--- a/modules/worker/back/models/worker.js
+++ b/modules/worker/back/models/worker.js
@@ -27,13 +27,17 @@ module.exports = Self => {
     });
 
     async function tinIsValid(err, done) {
+        const countryFk = {
+            fields: ['countryFk'],
+            where: {id: this.provinceFk}
+        };
+        const countryCode = await Self.app.models.Province.findOne(countryFk);
         const filter = {
             fields: ['code'],
-            where: {id: this.countryFk}
+            where: {id: countryCode.countryFk}
         };
         const country = await Self.app.models.Country.findOne(filter);
         const code = country ? country.code.toLowerCase() : null;
-
         if (!this.fi || !validateTin(this.fi, code))
             err();
         done();