diff --git a/server/src/Models/Appointments/Appointments.Interface.ts b/server/src/Models/Appointments/Appointments.Interface.ts
index 2a4ef36..b888010 100644
--- a/server/src/Models/Appointments/Appointments.Interface.ts
+++ b/server/src/Models/Appointments/Appointments.Interface.ts
@@ -46,6 +46,7 @@ export type SendAppointmentNotificationParams = {
     systemToken?: string;
     type: APPOINTMENT_NOTIFICATION_TYPE;
     channel?: "whatsapp" | "email";
+    allowClientCancellation?: boolean;
 };
 
 export type CreateImmediateAppointmentNotificationJobsParams = {
diff --git a/server/src/Models/Appointments/Appointments.ts b/server/src/Models/Appointments/Appointments.ts
index f347b2d..e080e08 100644
--- a/server/src/Models/Appointments/Appointments.ts
+++ b/server/src/Models/Appointments/Appointments.ts
@@ -2491,12 +2491,14 @@ public async updateAppointment(data: UpdateAppointmentParams): Promise<void> {
                     sessionUser: data.sessionUser,
                     type: APPOINTMENT_NOTIFICATION_TYPE.CANCELLATION,
                     channel: "email",
+                    allowClientCancellation: true,
                 });
                 const wapContent = await this.tryToSendNotification({
                     appointmentId: String(checkAppointment._id),
                     sessionUser: data.sessionUser,
                     type: APPOINTMENT_NOTIFICATION_TYPE.CANCELLATION,
                     channel: "whatsapp",
+                    allowClientCancellation: true,
                 });
 
                 await this.createCancellationNotificationJobs({
@@ -2650,6 +2652,14 @@ public async updateAppointment(data: UpdateAppointmentParams): Promise<void> {
             throw new Error("La compañia no existe");
         }
 
+        const checkClient = await ClientsManager.clients.findOne({
+            _id: String(checkAppointment.clientId),
+        });
+
+        if (!checkClient) {
+            throw new Error("El cliente no existe");
+        }
+
         const hasSystemToken = this.hasValidSystemToken(data.systemToken);
 
         if (!hasSystemToken) {
@@ -2657,19 +2667,19 @@ public async updateAppointment(data: UpdateAppointmentParams): Promise<void> {
                 throw new Error("No se ha encontrado el usuario o no tiene permisos para realizar esta acción");
             }
 
-            if (!(await EmployeesList.checkPermission(companyCheck, data.sessionUser, EmployeeRoles.ADMIN))) {
+            const isAuthorizedClientCancellation =
+                data.allowClientCancellation === true &&
+                data.type === APPOINTMENT_NOTIFICATION_TYPE.CANCELLATION &&
+                String(checkClient.userId) === data.sessionUser;
+
+            if (
+                !isAuthorizedClientCancellation &&
+                !(await EmployeesList.checkPermission(companyCheck, data.sessionUser, EmployeeRoles.ADMIN))
+            ) {
                 throw new Error(NoPermissionMessage());
             }
         }
 
-        const checkClient = await ClientsManager.clients.findOne({
-            _id: String(checkAppointment.clientId),
-        });
-
-        if (!checkClient) {
-            throw new Error("El cliente no existe");
-        }
-
         const checkEmployee = await EmployeesList.employees.findOne({
             _id: String(checkAppointment.employeeId),
         });