diff --git a/addons/l10n_fr_pos_cert/__manifest__.py b/addons/l10n_fr_pos_cert/__manifest__.py
index 9fc111c77f4..46df5dde437 100644
--- a/addons/l10n_fr_pos_cert/__manifest__.py
+++ b/addons/l10n_fr_pos_cert/__manifest__.py
@@ -39,6 +39,7 @@ The module adds following features:
     'assets': {
         'point_of_sale.assets': [
             'l10n_fr_pos_cert/static/src/js/**/*',
+            'l10n_fr_pos_cert/static/src/css/pos.css',
         ],
         'web.assets_qweb': [
             'l10n_fr_pos_cert/static/src/xml/**/*',
diff --git a/addons/l10n_fr_pos_cert/static/src/css/pos.css b/addons/l10n_fr_pos_cert/static/src/css/pos.css
new file mode 100644
index 00000000000..57dca4137df
--- /dev/null
+++ b/addons/l10n_fr_pos_cert/static/src/css/pos.css
@@ -0,0 +1,3 @@
+.oldPrice {
+    font-weight: bold;
+}
\ No newline at end of file
diff --git a/addons/l10n_fr_pos_cert/static/src/js/pos.js b/addons/l10n_fr_pos_cert/static/src/js/pos.js
index bbfbc5aa283..0b7853c1191 100644
--- a/addons/l10n_fr_pos_cert/static/src/js/pos.js
+++ b/addons/l10n_fr_pos_cert/static/src/js/pos.js
@@ -24,13 +24,6 @@ const L10nFrPosGlobalState = (PosGlobalState) => class L10nFrPosGlobalState exte
         let result = super.disallowLineQuantityChange(...arguments);
         return this.is_french_country() || result;
     }
-    cashierHasPriceControlRights() {
-        if (this.is_french_country()) {
-            return false;
-        } else {
-            return super.cashierHasPriceControlRights();
-        }
-    }
 }
 Registries.Model.extend(PosGlobalState, L10nFrPosGlobalState);
 
diff --git a/addons/l10n_fr_pos_cert/static/src/xml/OrderReceipt.xml b/addons/l10n_fr_pos_cert/static/src/xml/OrderReceipt.xml
index bb77291ac8a..2a5d3fe3a1b 100644
--- a/addons/l10n_fr_pos_cert/static/src/xml/OrderReceipt.xml
+++ b/addons/l10n_fr_pos_cert/static/src/xml/OrderReceipt.xml
@@ -8,4 +8,19 @@
             </t>
         </xpath>
     </t>
+
+    <t t-name="OrderLinesReceipt" t-inherit="point_of_sale.OrderLinesReceipt" t-inherit-mode="extension" owl="1">
+        <xpath expr="//t[@t-foreach='receipt.orderlines']" position="inside">
+            <t t-if="receipt.l10n_fr_hash !== false and line.price_manually_set === true">
+                <div class="pos-receipt-right-padding">
+                    Old unit price:
+                    <span class="oldPrice">
+                        <s>
+                            <t t-esc="env.pos.format_currency(line.fixed_lst_price, 'Product Price')" /> / Units
+                        </s>
+                    </span>
+                </div>
+            </t>
+        </xpath>
+    </t>
 </templates>
diff --git a/addons/l10n_fr_pos_cert/static/src/xml/Orderline.xml b/addons/l10n_fr_pos_cert/static/src/xml/Orderline.xml
new file mode 100644
index 00000000000..80880efd673
--- /dev/null
+++ b/addons/l10n_fr_pos_cert/static/src/xml/Orderline.xml
@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<templates id="template" xml:space="preserve">
+
+    <t t-name="Orderline" t-inherit="point_of_sale.Orderline" t-inherit-mode="extension" owl="1">
+        <xpath expr="//ul[hasclass('info-list')]" position="inside">
+            <t t-if="env.pos.is_french_country() !== false and props.line.price_manually_set === true">
+                <li class="info">
+                    Old unit price:
+                    <span class="oldPrice">
+                        <s>
+                            <t t-esc="env.pos.format_currency(props.line.get_fixed_lst_price(),'Product Price')" /> / Units
+                        </s>
+                    </span>
+                </li>
+            </t>
+        </xpath>
+    </t>
+
+</templates>
diff --git a/addons/point_of_sale/static/src/js/models.js b/addons/point_of_sale/static/src/js/models.js
index 457a7acbaff..de9daf2e001 100644
--- a/addons/point_of_sale/static/src/js/models.js
+++ b/addons/point_of_sale/static/src/js/models.js
@@ -1505,6 +1505,8 @@ class Orderline extends PosModel {
             product_name:       this.get_product().display_name,
             product_name_wrapped: this.generate_wrapped_product_name(),
             price_lst:          this.get_lst_price(),
+            fixed_lst_price:    this.get_fixed_lst_price(),
+            price_manually_set: this.price_manually_set,
             display_discount_policy:    this.display_discount_policy(),
             price_display_one:  this.get_display_price_one(),
             price_display :     this.get_display_price(),