diff --git a/l10n_br_pos/static/src/js/Screens/PaymentScreen/PaymentScreen.js b/l10n_br_pos/static/src/js/Screens/PaymentScreen/PaymentScreen.js
index 4877ddedc895..127443b35369 100644
--- a/l10n_br_pos/static/src/js/Screens/PaymentScreen/PaymentScreen.js
+++ b/l10n_br_pos/static/src/js/Screens/PaymentScreen/PaymentScreen.js
@@ -39,6 +39,24 @@ odoo.define("l10n_br_pos.PaymentScreen", function (require) {
                 return result;
             }
 
+            showScreen(name, props) {
+                if (name == "ProductScreen") {
+                    var order = this.env.pos.get_order();
+                    order.isTransmissionProcessing = false;
+                }
+
+                super.showScreen(name, props);
+            }
+
+            async validateOrder(isForceValidate) {
+                var order = this.env.pos.get_order();
+                if (order.isTransmissionProcessing) {
+                    return;
+                }
+                order.isTransmissionProcessing = true;
+                return super.validateOrder(isForceValidate);
+            }
+
             async _isOrderValid(isForceValidate) {
                 var result = super._isOrderValid(isForceValidate);
                 var order = this.env.pos.get_order();
@@ -51,6 +69,7 @@ odoo.define("l10n_br_pos.PaymentScreen", function (require) {
                     title: _t("Invalid CNPJ / CPF !"),
                     body: _t("Enter a valid CNPJ / CPF number"),
                 });
+                order.isTransmissionProcessing = false;
             }
         };
 
diff --git a/l10n_br_pos/static/src/js/models.js b/l10n_br_pos/static/src/js/models.js
index d7b8d32474ae..99dd2226987c 100644
--- a/l10n_br_pos/static/src/js/models.js
+++ b/l10n_br_pos/static/src/js/models.js
@@ -171,6 +171,8 @@ odoo.define("l10n_br_pos.models", function (require) {
             // Campo em que são armazenados as mensagens do processo de comunicação.
             this.document_event_messages = this.document_event_messages || [];
 
+            this.isTransmissionProcessing = false;
+
             this.init_locked = false;
             this.save_to_db();
         },
@@ -399,10 +401,15 @@ odoo.define("l10n_br_pos.models", function (require) {
                     result = await this._document_check_result(processor_result);
                     if (result) {
                         component.trigger("close-popup");
+                    } else {
+                        this.isTransmissionProcessing = false;
                     }
                 } else {
                     result = false;
+                    this.isTransmissionProcessing = false;
                 }
+            } else {
+                this.isTransmissionProcessing = false;
             }
             return result;
         },