diff --git a/addons/payment_authorize/static/src/js/payment_form.js b/addons/payment_authorize/static/src/js/payment_form.js
index aab561066d7..06a74af31ed 100644
--- a/addons/payment_authorize/static/src/js/payment_form.js
+++ b/addons/payment_authorize/static/src/js/payment_form.js
@@ -13,6 +13,23 @@ PaymentForm.include({
     // Private
     //--------------------------------------------------------------------------
 
+    /**
+     * Returns the parameters for the AcceptUI button that AcceptJS will use.
+     *
+     * @private
+     * @param {Object} formData data obtained by getFormData
+     * @returns {Object} params for the AcceptJS button
+     */
+    _acceptJsParams: function (formData) {
+        return {
+            'class': 'AcceptUI d-none',
+            'data-apiLoginID': formData.login_id,
+            'data-clientKey': formData.client_key,
+            'data-billingAddressOptions': '{"show": false, "required": false}',
+            'data-responseHandler': 'responseHandler'
+        };
+    },
+
     /**
      * called when clicking on pay now or add payment event to create token for credit card/debit card.
      *
@@ -84,14 +101,7 @@ PaymentForm.include({
         };
 
         if (this.$button === undefined) {
-            var params = {
-                'class': 'AcceptUI d-none',
-                'data-apiLoginID': formData.login_id,
-                'data-clientKey': formData.client_key,
-                'data-billingAddressOptions': '{"show": false, "required": false}',
-                'data-responseHandler': 'responseHandler'
-            };
-            this.$button = $('<button>', params);
+            this.$button = $('<button>', this._acceptJsParams(formData));
             this.$button.appendTo('body');
         }
         ajax.loadJS(AcceptJs).then(function () {