diff --git a/src/modules/ar1/pages/Ar1Wizard.js b/src/modules/ar1/pages/Ar1Wizard.js
index 36b18fd..dc25d5d 100644
--- a/src/modules/ar1/pages/Ar1Wizard.js
+++ b/src/modules/ar1/pages/Ar1Wizard.js
@@ -187,10 +187,15 @@ const Ar1Wizard = () => {
     };
 
     const handleFieldChange = (quadroId, fieldId, value) => {
-        setQuadriValues(prev => ({
-            ...prev,
-            [quadroId]: { ...(prev[quadroId] || {}), [fieldId]: value }
-        }));
+        setQuadriValues(prev => {
+            const next = { ...prev, [quadroId]: { ...(prev[quadroId] || {}), [fieldId]: value } };
+            // Autosave sospeso (post-401): il draft locale segue OGNI modifica, non solo
+            // lo snapshot iniziale (fix R6 — niente perdita dei dati inseriti dopo il banner)
+            if (authExpiredRef.current) {
+                try { localStorage.setItem(`ar1_draft_${formId}`, JSON.stringify({ ts: Date.now(), quadri: next })); } catch (e) { /* quota */ }
+            }
+            return next;
+        });
     };
 
     const handleRowFieldChange = (quadroId, rowIndex, fieldId, value) => {
@@ -298,7 +303,7 @@ const Ar1Wizard = () => {
                 return (
                     <div key={key} style={{ marginBottom: 14 }}>
                         {commonLabel}
-                        <Calendar id={key} value={value ? new Date(value) : null} onChange={(e) => onChange(field.id, e.value ? e.value.toISOString().slice(0, 10) : null)} disabled={disabled} dateFormat="dd/mm/yy" showIcon style={{ width: '100%' }} />
+                        <Calendar id={key} value={value ? new Date(value + 'T00:00:00') : null} onChange={(e) => onChange(field.id, e.value ? `${e.value.getFullYear()}-${String(e.value.getMonth() + 1).padStart(2, '0')}-${String(e.value.getDate()).padStart(2, '0')}` : null)} disabled={disabled} dateFormat="dd/mm/yy" showIcon style={{ width: '100%' }} />
                     </div>
                 );
             case 'checkbox':
@@ -373,6 +378,43 @@ const Ar1Wizard = () => {
         }
     };
 
+    // Nominativi titolari effettivi dal Quadro B (per prefill coincidenza LR/esecutore)
+    const titolariB = useMemo(() => {
+        const b = quadriValues['B'] || {};
+        const rows = b.rows || [];
+        return rows.map(r => (r && r.cognome_nome ? String(r.cognome_nome).trim() : '')).filter(Boolean);
+    }, [quadriValues]);
+
+    // Campo nominativo di coincidenza (Quadro C: lr_te_reference, D: esecutore_lr_reference).
+    // Reso SOLO se la spunta di coincidenza e attiva; il valore e sempre persistito
+    // cosi da comparire nel PDF (fix regressione R7, modulo 231/2007 mai senza nominativo).
+    const renderCoincidenceRef = (quadro, field, q) => {
+        if (!isFieldVisible(field, q)) return null; // spunta OFF: se ne occupa il nested_full
+        const key = `q-${quadro.id}-${field.id}`;
+        const val = q[field.id] || '';
+        const onSet = (v) => handleFieldChange(quadro.id, field.id, v);
+        return (
+            <div key={key} style={{ marginBottom: 14 }}>
+                <label htmlFor={key} style={{ display: 'block', marginBottom: 4, fontWeight: 500 }}>{field.label}{field.required ? ' *' : ''}</label>
+                {titolariB.length > 0 ? (
+                    <Dropdown
+                        id={key}
+                        value={val}
+                        options={titolariB.map(n => ({ label: n, value: n }))}
+                        onChange={(e) => onSet(e.value)}
+                        disabled={isReadonly}
+                        placeholder={__('Seleziona dal Quadro B', 'gepafin')}
+                        editable
+                        style={{ width: '100%' }}
+                    />
+                ) : (
+                    <InputText id={key} value={val} onChange={(e) => onSet(e.target.value)} disabled={isReadonly} maxLength={field.max_length} placeholder={__('Cognome e Nome', 'gepafin')} style={{ width: '100%' }} />
+                )}
+                <small style={{ color: '#888' }}>{__('Compilare con uno dei titolari effettivi indicati al Quadro B.', 'gepafin')}</small>
+            </div>
+        );
+    };
+
     const renderQuadro = (quadro) => {
         const q = quadriValues[quadro.id] || {};
 
@@ -448,7 +490,8 @@ const Ar1Wizard = () => {
             <div>
                 <h3>{quadro.title}</h3>
                 {quadro.description && <p style={{ color: '#666' }}>{quadro.description}</p>}
-                {(quadro.fields || []).filter(field => isFieldVisible(field, q)).map(field => renderField(field, q[field.id], (fid, val) => handleFieldChange(quadro.id, fid, val), `q-${quadro.id}`))}
+                {(quadro.fields || []).filter(field => isFieldVisible(field, q) && !field.coincidence_ref).map(field => renderField(field, q[field.id], (fid, val) => handleFieldChange(quadro.id, fid, val), `q-${quadro.id}`))}
+                {(quadro.fields || []).filter(field => field.coincidence_ref).map(field => renderCoincidenceRef(quadro, field, q))}
                 {quadro.nested_full && evalShowIf(quadro.nested_full.show_if, q) && (
                     <div style={{ marginTop: 16, padding: 12, background: '#f5f5f5', borderRadius: 4 }}>
                         <h4 style={{ marginTop: 0 }}>{__('Dettaglio aggiuntivo', 'gepafin')}</h4>
@@ -498,6 +541,7 @@ const Ar1Wizard = () => {
                         setStepErrors([]);
                     }
                     if (!isReadonly && activeQuadro) saveQuadro(activeQuadro.id);
+                    setStepErrors([]);
                     setActiveIndex(next);
                 }}
                 readOnly={false}
@@ -558,6 +602,7 @@ const Ar1Wizard = () => {
                                     setStepErrors([]);
                                     saveQuadro(activeQuadro.id);
                                 }
+                                setStepErrors([]);
                                 setActiveIndex(Math.min(quadri.length - 1, activeIndex + 1));
                             }}
                         />