diff --git a/src/pages/DomandaEditInstructorManager/index.js b/src/pages/DomandaEditInstructorManager/index.js
index e1b5a83..80c92ed 100644
--- a/src/pages/DomandaEditInstructorManager/index.js
+++ b/src/pages/DomandaEditInstructorManager/index.js
@@ -732,7 +732,7 @@ const DomandaEditInstructorManager = () => {
             onSubmitAction = () => doReject('TECHNICAL_EVALUATION_REJECTED');
         } else {
             onSubmitAction = () => doReject('REJECTED');
-            isDisabled = isDisabled || !finalDialogData.reason || isEmpty(finalDialogData.reason) || !finalDialogData.motivation || isEmpty(finalDialogData.motivation)
+            isDisabled = isDisabled || !finalDialogData.reason || isEmpty(finalDialogData.reason)
         }
 
         return <div>
@@ -751,6 +751,10 @@ const DomandaEditInstructorManager = () => {
 
     const initiateApproving = () => {
         setOperationType('approve');
+        setFinalDialogData({
+            amount: data.amountAccepted,
+            motivation: ''
+        });
         setIsVisibleCompleteDialog(true);
 
     }
@@ -1855,6 +1859,7 @@ const DomandaEditInstructorManager = () => {
                                 </label>
                                 <InputNumber
                                     value={finalDialogData.amount}
+                                    readOnly={!isEmpty(finalDialogData.amount) && finalDialogData.amount > 0}
                                     keyfilter="int"
                                     invalid={!finalDialogData.amount || isEmpty(finalDialogData.amount) || finalDialogData.amount === 0}
                                     onChange={(e) => updateFinalDialogData(e.value, 'amount')}/>
@@ -1889,8 +1894,7 @@ const DomandaEditInstructorManager = () => {
                                     style={{ width: '100%' }}/>
                             </div> : null}
                         <div className="appForm__field">
-                            <label
-                                className={classNames({ 'p-error': !finalDialogData.motivation || isEmpty(finalDialogData.motivation) })}>
+                            <label>
                                 {__('Motivazione', 'gepafin')}
                             </label>
                             <div translate="no">
diff --git a/src/pages/DomandaEditPreInstructor/index.js b/src/pages/DomandaEditPreInstructor/index.js
index c071064..3d21a28 100644
--- a/src/pages/DomandaEditPreInstructor/index.js
+++ b/src/pages/DomandaEditPreInstructor/index.js
@@ -732,7 +732,7 @@ const DomandaEditPreInstructor = () => {
             onSubmitAction = () => doReject('TECHNICAL_EVALUATION_REJECTED');
         } else {
             onSubmitAction = () => doReject('REJECTED');
-            isDisabled = isDisabled || !finalDialogData.reason || isEmpty(finalDialogData.reason) || !finalDialogData.motivation || isEmpty(finalDialogData.motivation)
+            isDisabled = isDisabled || !finalDialogData.reason || isEmpty(finalDialogData.reason)
         }
 
         return <div>
@@ -751,6 +751,10 @@ const DomandaEditPreInstructor = () => {
 
     const initiateApproving = () => {
         setOperationType('approve');
+        setFinalDialogData({
+            amount: data.amountAccepted,
+            motivation: ''
+        });
         setIsVisibleCompleteDialog(true);
 
     }
@@ -1855,6 +1859,7 @@ const DomandaEditPreInstructor = () => {
                                 </label>
                                 <InputNumber
                                     value={finalDialogData.amount}
+                                    readOnly={!isEmpty(finalDialogData.amount) && finalDialogData.amount > 0}
                                     keyfilter="int"
                                     invalid={!finalDialogData.amount || isEmpty(finalDialogData.amount) || finalDialogData.amount === 0}
                                     onChange={(e) => updateFinalDialogData(e.value, 'amount')}/>
@@ -1889,8 +1894,7 @@ const DomandaEditPreInstructor = () => {
                                     style={{ width: '100%' }}/>
                             </div> : null}
                         <div className="appForm__field">
-                            <label
-                                className={classNames({ 'p-error': !finalDialogData.motivation || isEmpty(finalDialogData.motivation) })}>
+                            <label>
                                 {__('Motivazione', 'gepafin')}
                             </label>
                             <div translate="no">