diff --git a/loopback/locale/es.json b/loopback/locale/es.json
index fdc1bd9770..89e301fcab 100644
--- a/loopback/locale/es.json
+++ b/loopback/locale/es.json
@@ -86,6 +86,7 @@
 	"The current ticket can't be modified": "El ticket actual no puede ser modificado",
 	"The current claim can't be modified": "La reclamación actual no puede ser modificada",
 	"The sales of this ticket can't be modified": "Las lineas de este ticket no pueden ser modificadas",
+	"Sale(s) blocked, contact production": "Linea(s) bloqueada(s), contacte con produccion",
 	"Please select at least one sale": "Por favor selecciona al menos una linea",
 	"All sales must belong to the same ticket": "Todas las lineas deben pertenecer al mismo ticket",
 	"NO_ZONE_FOR_THIS_PARAMETERS": "Para este día no hay ninguna zona configurada",
diff --git a/modules/ticket/back/methods/sale/canEdit.js b/modules/ticket/back/methods/sale/canEdit.js
new file mode 100644
index 0000000000..4e0fc5f8bf
--- /dev/null
+++ b/modules/ticket/back/methods/sale/canEdit.js
@@ -0,0 +1,40 @@
+module.exports = Self => {
+    Self.remoteMethodCtx('canEdit', {
+        description: 'Check if all the received sales are aditable',
+        accessType: 'READ',
+        accepts: [{
+            arg: 'sales',
+            type: ['object'],
+            required: true
+        }],
+        returns: {
+            type: 'boolean',
+            root: true
+        },
+        http: {
+            path: `/isEditable`,
+            verb: 'get'
+        }
+    });
+
+    Self.canEdit = async(ctx, sales, options) => {
+        const models = Self.app.models;
+        const userId = ctx.req.accessToken.userId;
+        const myOptions = {};
+
+        if (typeof options == 'object')
+            Object.assign(myOptions, options);
+
+        const idsCollection = sales.map(sale => sale.id);
+
+        const saleTracking = await models.SaleTracking.find({where: {saleFk: {inq: idsCollection}}}, myOptions);
+
+        const hasSaleTracking = saleTracking.length;
+
+        const isProductionRole = await models.Account.hasRole(userId, 'production', myOptions);
+
+        const canEdit = (isProductionRole || !hasSaleTracking);
+
+        return canEdit;
+    };
+};
diff --git a/modules/ticket/back/methods/sale/deleteSales.js b/modules/ticket/back/methods/sale/deleteSales.js
index d11223d3bf..31899a501b 100644
--- a/modules/ticket/back/methods/sale/deleteSales.js
+++ b/modules/ticket/back/methods/sale/deleteSales.js
@@ -28,10 +28,16 @@ module.exports = Self => {
 
     Self.deleteSales = async(ctx, sales, ticketId) => {
         const models = Self.app.models;
+
+        const canEditSales = await models.Sale.canEdit(ctx, sales);
+
         const isTicketEditable = await models.Ticket.isEditable(ctx, ticketId);
         if (!isTicketEditable)
             throw new UserError(`The sales of this ticket can't be modified`);
 
+        if (!canEditSales)
+            throw new UserError(`Sale(s) blocked, please contact production`);
+
         const promises = [];
         for (let sale of sales) {
             const deletedSale = models.Sale.destroyById(sale.id);
diff --git a/modules/ticket/back/methods/sale/recalculatePrice.js b/modules/ticket/back/methods/sale/recalculatePrice.js
index 9ad7e68e7b..9e902d393e 100644
--- a/modules/ticket/back/methods/sale/recalculatePrice.js
+++ b/modules/ticket/back/methods/sale/recalculatePrice.js
@@ -29,6 +29,11 @@ module.exports = Self => {
         if (!isEditable)
             throw new UserError(`The sales of this ticket can't be modified`);
 
+        const canEditSale = await models.Sale.canEdit(ctx, [id]);
+
+        if (!canEditSale)
+            throw new UserError(`Sale(s) blocked, please contact production`);
+
         return Self.rawSql('CALL vn.sale_calculateComponent(?, null)', [id]);
     };
 };
diff --git a/modules/ticket/back/methods/sale/reserve.js b/modules/ticket/back/methods/sale/reserve.js
index e054e1ec81..96c794e7ca 100644
--- a/modules/ticket/back/methods/sale/reserve.js
+++ b/modules/ticket/back/methods/sale/reserve.js
@@ -37,6 +37,11 @@ module.exports = Self => {
         if (!isTicketEditable)
             throw new UserError(`The sales of this ticket can't be modified`);
 
+        const canEditSale = await models.Sale.canEdit(ctx, sales);
+
+        if (!canEditSale)
+            throw new UserError(`Sale(s) blocked, please contact production`);
+
         const promises = [];
         for (let sale of sales) {
             const reservedSale = models.Sale.update({id: sale.id}, {reserved: reserved});
diff --git a/modules/ticket/back/methods/sale/specs/canEdit.spec.js b/modules/ticket/back/methods/sale/specs/canEdit.spec.js
new file mode 100644
index 0000000000..fb1e1ab877
--- /dev/null
+++ b/modules/ticket/back/methods/sale/specs/canEdit.spec.js
@@ -0,0 +1,36 @@
+const app = require('vn-loopback/server/server');
+
+describe('sale canEdit()', () => {
+    it('should return true if the role is production regardless of the saleTrackings', async() => {
+        const productionUserID = 49;
+        let ctx = {req: {accessToken: {userId: productionUserID}}};
+
+        const sales = [{id: 3}];
+
+        const result = await app.models.Sale.canEdit(ctx, sales);
+
+        expect(result).toEqual(true);
+    });
+
+    it('should return true if the role is not production and none of the sales has saleTracking', async() => {
+        const salesPersonUserID = 18;
+        let ctx = {req: {accessToken: {userId: salesPersonUserID}}};
+
+        const sales = [{id: 10}];
+
+        const result = await app.models.Sale.canEdit(ctx, sales);
+
+        expect(result).toEqual(true);
+    });
+
+    it('should return false if any of the sales has a saleTracking record', async() => {
+        const salesPersonUserID = 18;
+        let ctx = {req: {accessToken: {userId: salesPersonUserID}}};
+
+        const sales = [{id: 3}];
+
+        const result = await app.models.Sale.canEdit(ctx, sales);
+
+        expect(result).toEqual(false);
+    });
+});
diff --git a/modules/ticket/back/methods/sale/specs/updateConcept.spec.js b/modules/ticket/back/methods/sale/specs/updateConcept.spec.js
index d383cc9484..428bac390f 100644
--- a/modules/ticket/back/methods/sale/specs/updateConcept.spec.js
+++ b/modules/ticket/back/methods/sale/specs/updateConcept.spec.js
@@ -1,6 +1,7 @@
 const app = require('vn-loopback/server/server');
 
 describe('sale updateConcept()', () => {
+    const ctx = {req: {accessToken: {userId: 9}}};
     const saleId = 1;
     let originalSale;
 
@@ -21,7 +22,7 @@ describe('sale updateConcept()', () => {
         const newConcept = 'I am he new concept';
 
         try {
-            await app.models.Sale.updateConcept(undefined, newConcept);
+            await app.models.Sale.updateConcept(ctx, undefined, newConcept);
         } catch (e) {
             err = e;
         }
@@ -32,7 +33,7 @@ describe('sale updateConcept()', () => {
     it('should update the sale concept', async() => {
         const newConcept = 'I am the new concept';
 
-        let response = await app.models.Sale.updateConcept(saleId, newConcept);
+        let response = await app.models.Sale.updateConcept(ctx, saleId, newConcept);
 
         expect(response.concept).toEqual(newConcept);
     });
diff --git a/modules/ticket/back/methods/sale/specs/updateQuantity.spec.js b/modules/ticket/back/methods/sale/specs/updateQuantity.spec.js
index ccb73d7799..16221b55ce 100644
--- a/modules/ticket/back/methods/sale/specs/updateQuantity.spec.js
+++ b/modules/ticket/back/methods/sale/specs/updateQuantity.spec.js
@@ -1,10 +1,12 @@
 const app = require('vn-loopback/server/server');
 
 describe('sale updateQuantity()', () => {
+    const ctx = {req: {accessToken: {userId: 9}}};
+
     it('should throw an error if the quantity is not a number', async() => {
         let error;
 
-        await app.models.Sale.updateQuantity(1, 'wrong quantity!')
+        await app.models.Sale.updateQuantity(ctx, 1, 'wrong quantity!')
             .catch(response => {
                 expect(response).toEqual(new Error('The value should be a number'));
                 error = response;
@@ -16,7 +18,7 @@ describe('sale updateQuantity()', () => {
     it('should throw an error if the quantity is greater than it should be', async() => {
         let error;
 
-        await app.models.Sale.updateQuantity(1, 99)
+        await app.models.Sale.updateQuantity(ctx, 1, 99)
             .catch(response => {
                 expect(response).toEqual(new Error('The new quantity should be smaller than the old one'));
                 error = response;
@@ -30,7 +32,7 @@ describe('sale updateQuantity()', () => {
 
         expect(originalLineData.quantity).toEqual(5);
 
-        await app.models.Sale.updateQuantity(1, 4);
+        await app.models.Sale.updateQuantity(ctx, 1, 4);
 
         let modifiedLineData = await app.models.Sale.findOne({where: {id: 1}, fields: ['quantity']});
 
diff --git a/modules/ticket/back/methods/sale/updateConcept.js b/modules/ticket/back/methods/sale/updateConcept.js
index d95cf1202d..6a5f3375fa 100644
--- a/modules/ticket/back/methods/sale/updateConcept.js
+++ b/modules/ticket/back/methods/sale/updateConcept.js
@@ -1,5 +1,5 @@
 module.exports = Self => {
-    Self.remoteMethod('updateConcept', {
+    Self.remoteMethodCtx('updateConcept', {
         description: 'Updates the concept of a sale',
         accessType: 'WRITE',
         accepts: [{
@@ -24,8 +24,14 @@ module.exports = Self => {
         }
     });
 
-    Self.updateConcept = async(id, newConcept) => {
-        let currentLine = await Self.app.models.Sale.findById(id);
+    Self.updateConcept = async(ctx, id, newConcept) => {
+        const models = Self.app.models;
+        const currentLine = await models.Sale.findById(id);
+
+        const canEditSale = await models.Sale.canEdit(ctx, [id]);
+
+        if (!canEditSale)
+            throw new UserError(`Sale(s) blocked, please contact production`);
 
         return await currentLine.updateAttributes({concept: newConcept});
     };
diff --git a/modules/ticket/back/methods/sale/updatePrice.js b/modules/ticket/back/methods/sale/updatePrice.js
index 200eeb4442..2195c2b7b9 100644
--- a/modules/ticket/back/methods/sale/updatePrice.js
+++ b/modules/ticket/back/methods/sale/updatePrice.js
@@ -55,6 +55,11 @@ module.exports = Self => {
             if (!isEditable)
                 throw new UserError(`The sales of this ticket can't be modified`);
 
+            const canEditSale = await models.Sale.canEdit(ctx, [id]);
+
+            if (!canEditSale)
+                throw new UserError(`Sale(s) blocked, please contact production`);
+
             const userId = ctx.req.accessToken.userId;
 
             let usesMana = await models.WorkerMana.findOne({where: {workerFk: userId}, fields: 'amount'}, options);
diff --git a/modules/ticket/back/methods/sale/updateQuantity.js b/modules/ticket/back/methods/sale/updateQuantity.js
index c25aa9007d..00df49b9f7 100644
--- a/modules/ticket/back/methods/sale/updateQuantity.js
+++ b/modules/ticket/back/methods/sale/updateQuantity.js
@@ -1,7 +1,7 @@
 let UserError = require('vn-loopback/util/user-error');
 
 module.exports = Self => {
-    Self.remoteMethod('updateQuantity', {
+    Self.remoteMethodCtx('updateQuantity', {
         description: 'Changes the quantity of a sale',
         accessType: 'WRITE',
         accepts: [{
@@ -26,11 +26,18 @@ module.exports = Self => {
         }
     });
 
-    Self.updateQuantity = async(id, quantity) => {
+    Self.updateQuantity = async(ctx, id, quantity) => {
+        const models = Self.app.models;
+
+        const canEditSale = await models.Sale.canEdit(ctx, [id]);
+
+        if (!canEditSale)
+            throw new UserError(`Sale(s) blocked, please contact production`);
+
         if (isNaN(quantity))
             throw new UserError(`The value should be a number`);
 
-        let currentLine = await Self.app.models.Sale.findOne({where: {id: id}});
+        let currentLine = await models.Sale.findOne({where: {id: id}});
         if (quantity > currentLine.quantity)
             throw new UserError('The new quantity should be smaller than the old one');
 
diff --git a/modules/ticket/back/models/sale.js b/modules/ticket/back/models/sale.js
index 4885071fd9..545e054dc1 100644
--- a/modules/ticket/back/models/sale.js
+++ b/modules/ticket/back/models/sale.js
@@ -6,6 +6,7 @@ module.exports = Self => {
     require('../methods/sale/updateQuantity')(Self);
     require('../methods/sale/updateConcept')(Self);
     require('../methods/sale/recalculatePrice')(Self);
+    require('../methods/sale/canEdit')(Self);
 
     Self.validatesPresenceOf('concept', {
         message: `Concept cannot be blank`