diff --git a/modules/ticket/back/methods/ticket-collection/hasUncheckedTicket.js b/modules/ticket/back/methods/ticket-collection/hasUncheckedTicket.js
new file mode 100644
index 000000000..1ea522de6
--- /dev/null
+++ b/modules/ticket/back/methods/ticket-collection/hasUncheckedTicket.js
@@ -0,0 +1,40 @@
+module.exports = Self => {
+    Self.remoteMethod('hasUncheckedTicket', {
+        description:
+            'Get boolean if the collection of ticket has a ticket not checked',
+        accessType: 'READ',
+        accepts: [{
+            arg: 'ticketFk',
+            type: 'integer',
+            required: true,
+            description: 'Ticket id'
+        }],
+        returns: {
+            type: 'boolean',
+            root: true
+        },
+        http: {
+            path: `/hasUncheckedTicket`,
+            verb: 'GET'
+        }
+    });
+
+    Self.hasUncheckedTicket = async(ticketFk, options) => {
+        const myOptions = {};
+
+        if (typeof options == 'object')
+            Object.assign(myOptions, options);
+
+        const result = await Self.rawSql(`
+           SELECT tc2.ticketFk
+                FROM vn.ticketCollection tc
+                    JOIN vn.ticketCollection tc2 ON tc2.collectionFk  = tc.collectionFk
+                    LEFT JOIN vn.ticketState ts ON ts.ticketFk = tc2.ticketFk
+                    JOIN vn.state s ON s.id = ts.stateFk
+                    JOIN vn.state s2 ON s2.code = 'CHECKED'
+                WHERE tc.ticketFk = ? AND s.order < s2.id
+                LIMIT 1;`,
+        [ticketFk], myOptions);
+        return result.length > 0 && result[0]['ticketFk'] > 0;
+    };
+};
diff --git a/modules/ticket/back/methods/ticket-collection/spec/hasUncheckedTicket.spec.js b/modules/ticket/back/methods/ticket-collection/spec/hasUncheckedTicket.spec.js
new file mode 100644
index 000000000..ae7a8e6ee
--- /dev/null
+++ b/modules/ticket/back/methods/ticket-collection/spec/hasUncheckedTicket.spec.js
@@ -0,0 +1,38 @@
+
+const {models} = require('vn-loopback/server/server');
+
+describe('ticketCollection hasUncheckedTicket()', () => {
+    it('should return false because there are not tickets not checked', async() => {
+        const ticketFk = 1;
+        const result = await models.TicketCollection.hasUncheckedTicket(ticketFk);
+
+        expect(result).toBe(false);
+    });
+
+    it('should return true because there is a ticket not checked', async() => {
+        const ticketFk = 1;
+        const stateFkCurrent = 16;
+        const stateFkUpdated = 7;
+
+        const tx = await models.TicketTracking.beginTransaction({});
+        const myOptions = {transaction: tx};
+        const filter = {where: {
+            ticketFk: 1,
+            stateFk: stateFkCurrent}
+        };
+        try {
+            const ticketTracking = await models.TicketTracking.findOne(filter, myOptions);
+            await ticketTracking.updateAttributes({
+                stateFk: stateFkUpdated
+            }, myOptions);
+            const result = await models.TicketCollection.hasUncheckedTicket(ticketFk, myOptions);
+
+            expect(result).toBe(true);
+            await tx.rollback();
+        } catch (e) {
+            await tx.rollback();
+            throw e;
+        }
+    });
+});
+
diff --git a/modules/ticket/back/models/ticket-collection.js b/modules/ticket/back/models/ticket-collection.js
new file mode 100644
index 000000000..c5cd75a94
--- /dev/null
+++ b/modules/ticket/back/models/ticket-collection.js
@@ -0,0 +1,3 @@
+module.exports = Self => {
+    require('../methods/ticket-collection/hasUncheckedTicket')(Self);
+};
diff --git a/modules/ticket/back/models/ticket-collection.json b/modules/ticket/back/models/ticket-collection.json
index 4bd34f08e..bc1c2dd18 100644
--- a/modules/ticket/back/models/ticket-collection.json
+++ b/modules/ticket/back/models/ticket-collection.json
@@ -13,6 +13,9 @@
         },
         "usedShelves": {
             "type": "number"
+        },
+        "collectionFk": {
+            "type": "number"
         }
     },
     "relations": {
@@ -20,6 +23,11 @@
             "type": "belongsTo",
             "model": "Ticket",
             "foreignKey": "ticketFk"
+        },
+        "collection": {
+            "type": "belongsTo",
+            "model": "Collection",
+            "foreignKey": "collectionFk"
         }
     }
 }
\ No newline at end of file