diff --git a/modules/ticket/back/methods/expedition-state/addExpeditionState.js b/modules/ticket/back/methods/expedition-state/addExpeditionState.js
index 16b7a4c75..cc70cbb8d 100644
--- a/modules/ticket/back/methods/expedition-state/addExpeditionState.js
+++ b/modules/ticket/back/methods/expedition-state/addExpeditionState.js
@@ -5,10 +5,7 @@ module.exports = Self => {
         accepts: [
             {
                 arg: 'expeditions',
-                type: [{
-                    expeditionFk: 'number',
-                    stateCode: 'string',
-                }],
+                type: ['object'],
                 required: true,
                 description: 'Array of objects containing expeditionFk and stateCode'
             }
@@ -18,7 +15,7 @@ module.exports = Self => {
             root: true
         },
         http: {
-            path: `/addState`,
+            path: `/addExpeditionState`,
             verb: 'post'
         }
     });
@@ -44,11 +41,18 @@ module.exports = Self => {
                         where: {code: expedition.stateCode}
                     }
                 );
-
-                if (!expeditionStateType.id)
-                    throw new Error(`The state code '${expedition.stateCode}' does not exist.`);
+                if (!expeditionStateType)
+                    throw new Error(`The state code: ${expedition.stateCode} does not exist.`);
 
                 const typeFk = expeditionStateType.id;
+
+                const existsExpedition = await models.Expedition.findOne({
+                    fields: ['id'],
+                    where: {id: expedition.expeditionFk}
+                });
+                if (!existsExpedition)
+                    throw new Error(`The expedition with id: ${expedition.expeditionFk} does not exist.`);
+
                 const newExpeditionState = models.ExpeditionState.create({
                     expeditionFk: expedition.expeditionFk,
                     typeFk,
@@ -59,10 +63,9 @@ module.exports = Self => {
             await Promise.all(promises);
 
             if (tx) await tx.commit();
-            return true;
         } catch (e) {
             if (tx) await tx.rollback();
-            return false;
+            throw e;
         }
     };
 };
diff --git a/modules/ticket/back/methods/expedition-state/specs/addExpeditionState.spec.js b/modules/ticket/back/methods/expedition-state/specs/addExpeditionState.spec.js
new file mode 100644
index 000000000..c9c40ccd9
--- /dev/null
+++ b/modules/ticket/back/methods/expedition-state/specs/addExpeditionState.spec.js
@@ -0,0 +1,75 @@
+const models = require('vn-loopback/server/server').models;
+
+describe('expeditionState addExpeditionState()', () => {
+    it('should update the expedition states', async() => {
+        const tx = await models.ExpeditionState.beginTransaction({});
+
+        try {
+            const options = {transaction: tx};
+            const payload = [
+                {
+                    expeditionFk: 5,
+                    stateCode: 'ON DELIVERY'
+                },
+            ];
+
+            await models.ExpeditionState.addExpeditionState(payload, options);
+
+            const expeditionState = await models.ExpeditionState.findOne({
+                where: {id: 5}
+            });
+
+            expect(expeditionState.typeFk).toEqual(1);
+            await tx.rollback();
+        } catch (e) {
+            await tx.rollback();
+            throw e;
+        }
+    });
+
+    it('should throw an error an error when an stateCode does not exist', async() => {
+        const tx = await models.ExpeditionState.beginTransaction({});
+        let error;
+
+        try {
+            const options = {transaction: tx};
+            const payload = [
+                {
+                    expeditionFk: 2,
+                    stateCode: 'DUMMY'
+                }
+            ];
+            await models.ExpeditionState.addExpeditionState(payload, options);
+
+            await tx.rollback();
+        } catch (e) {
+            error = e;
+            await tx.rollback();
+        }
+
+        expect(error.message).toContain('The state code: DUMMY does not exist.');
+    });
+
+    it('should throw an error when expeditionFk does not exist', async() => {
+        const tx = await models.ExpeditionState.beginTransaction({});
+        let error;
+        try {
+            const options = {transaction: tx};
+            const payload = [
+                {
+                    expeditionFk: 50,
+                    stateCode: 'LOST'
+                }
+            ];
+
+            await models.ExpeditionState.addExpeditionState(payload, options);
+
+            await tx.rollback();
+        } catch (e) {
+            error = e;
+            await tx.rollback();
+        }
+
+        expect(error.message).toContain('The expedition with id: 50 does not exist.');
+    });
+});