diff --git a/app/models.py b/app/models.py
index 05a6834..e3c1965 100644
--- a/app/models.py
+++ b/app/models.py
@@ -67,6 +67,9 @@ class RemissionPractice(Base):
     reviewed_by = Column(Integer, nullable=True)
     rejection_reason = Column(Text, nullable=True)
     approved_remission = Column(Numeric(14, 2), nullable=True)
+    instructor_final_notes = Column(Text, nullable=True)
+    instructor_checklist = Column(JSONB, nullable=True, default=dict)
+    verbale_date = Column(Date, nullable=True)
 
     created_at = Column(DateTime(timezone=True), nullable=False, server_default=func.now())
     updated_at = Column(DateTime(timezone=True), nullable=False, server_default=func.now(), onupdate=func.now())
@@ -101,6 +104,17 @@ class RemissionInvoice(Base):
     total = Column(Numeric(14, 2), nullable=False)
     pdf_filename = Column(String(512), nullable=True)  # per ora solo nome, upload vero dopo
 
+    # Campi istruttoria (dual declared/verified)
+    taxable_verified = Column(Numeric(14, 2), nullable=True)
+    vat_verified = Column(Numeric(14, 2), nullable=True)
+    total_verified = Column(Numeric(14, 2), nullable=True)
+    verification_status = Column(String(16), nullable=False, default="PENDING")
+    # PENDING | AMMESSA | PARZIALE | RESPINTA
+    verification_notes = Column(Text, nullable=True)
+    date_checks = Column(JSONB, nullable=True, default=dict)
+    verified_by = Column(Integer, nullable=True)
+    verified_at = Column(DateTime(timezone=True), nullable=True)
+
     created_at = Column(DateTime(timezone=True), nullable=False, server_default=func.now())
 
     practice = relationship("RemissionPractice", back_populates="invoices")
@@ -127,6 +141,13 @@ class RemissionUlaEmployee(Base):
     supporting_doc_type = Column(String(64), nullable=True)
     supporting_doc_filename = Column(String(512), nullable=True)
 
+    # Campi istruttoria
+    fte_pct_verified = Column(Numeric(5, 4), nullable=True)
+    verification_status = Column(String(16), nullable=False, default="PENDING")
+    verification_notes = Column(Text, nullable=True)
+    verified_by = Column(Integer, nullable=True)
+    verified_at = Column(DateTime(timezone=True), nullable=True)
+
     created_at = Column(DateTime(timezone=True), nullable=False, server_default=func.now())
 
     practice = relationship("RemissionPractice", back_populates="ula_employees")
@@ -148,6 +169,13 @@ class RemissionDocument(Base):
     expires_at = Column(Date, nullable=True)
     notes = Column(Text, nullable=True)
 
+    # Campi istruttoria
+    verification_status = Column(String(16), nullable=False, default="PENDING")
+    # PENDING | VALIDO | NON_VALIDO | SCADUTO
+    verification_notes = Column(Text, nullable=True)
+    verified_by = Column(Integer, nullable=True)
+    verified_at = Column(DateTime(timezone=True), nullable=True)
+
     practice = relationship("RemissionPractice", back_populates="documents")
 
 
diff --git a/app/routers/instructor.py b/app/routers/instructor.py
index 1435d6d..d7bec59 100644
--- a/app/routers/instructor.py
+++ b/app/routers/instructor.py
@@ -16,8 +16,13 @@ from ..models import RemissionPractice, RemissionAmendmentRequest
 from ..schemas import (
     AmendmentRequestCreate, AmendmentRequestOut, AmendmentResponseSubmit,
     ReviewApproveBody, ReviewRejectBody,
-    InstructorQueueItem, PracticeOut, ApiResponse
+    InstructorQueueItem, PracticeOut, ApiResponse,
+    InvoiceVerifyBody, UlaVerifyBody, DocumentVerifyBody,
+    InstructorFinalNotesBody,
+    InvoiceOut, UlaEmployeeOut, DocumentOut
 )
+from ..models import RemissionInvoice, RemissionUlaEmployee, RemissionDocument
+from datetime import date
 from .practices import _compute_gate_check
 
 router = APIRouter(prefix="/api/remission-practices/instructor", tags=["instructor"])
@@ -274,3 +279,153 @@ def respond_amendment_beneficiary(practice_id: UUID, amendment_id: UUID,
     db.refresh(ar)
     return ApiResponse(message="Risposta registrata. L'istruttore verrà notificato.",
                        data=AmendmentRequestOut.model_validate(ar).model_dump(mode="json"))
+
+
+
+# ========== VERIFICA SINGOLA RIGA ==========
+
+def _auto_check_dates(inv, practice) -> dict:
+    """Verifica automatica: fattura emessa e pagata dentro il periodo ammissibilita.
+    Legge period_start/period_end dal gate_rules dello schema_snapshot."""
+    rules = practice.schema_snapshot.get("gate_rules", {}) or {}
+
+    pstart = rules.get("period_start")
+    pend = rules.get("period_end")
+    try:
+        from datetime import date as _date
+        pstart_d = _date.fromisoformat(pstart) if pstart else None
+        pend_d = _date.fromisoformat(pend) if pend else None
+    except Exception:
+        pstart_d = pend_d = None
+
+    def _in_range(d):
+        if not d: return None
+        ok = True
+        if pstart_d: ok = ok and d >= pstart_d
+        if pend_d: ok = ok and d <= pend_d
+        return ok
+
+    return {
+        "period_start": pstart,
+        "period_end": pend,
+        "invoice_in_period": _in_range(inv.invoice_date),
+        "payment_in_period": _in_range(inv.payment_date)
+    }
+
+
+@router.put("/{practice_id}/invoices/{invoice_id}/verify", response_model=ApiResponse)
+def verify_invoice(practice_id: UUID, invoice_id: UUID, body: InvoiceVerifyBody,
+                   db: Session = Depends(get_db), user: AuthUser = Depends(_require_instructor)):
+    """Rettifica/verifica una singola fattura."""
+    p = _get_practice_or_404(db, practice_id)
+    if p.status not in ("UNDER_REVIEW", "AWAITING_AMENDMENT"):
+        raise HTTPException(status_code=409, detail=f"Pratica in stato {p.status}")
+    if body.verification_status not in ("AMMESSA", "PARZIALE", "RESPINTA", "PENDING"):
+        raise HTTPException(status_code=422, detail="verification_status non valido")
+
+    inv = db.query(RemissionInvoice).filter(
+        RemissionInvoice.id == invoice_id,
+        RemissionInvoice.practice_id == practice_id
+    ).first()
+    if not inv:
+        raise HTTPException(status_code=404, detail="Fattura non trovata")
+
+    inv.verification_status = body.verification_status
+    inv.verification_notes = body.verification_notes
+    if body.verification_status in ("AMMESSA", "PARZIALE"):
+        # Se AMMESSA e nessuna rettifica: copio i dichiarati come verificati
+        if body.verification_status == "AMMESSA" and body.taxable_verified is None and body.total_verified is None:
+            inv.taxable_verified = inv.taxable
+            inv.vat_verified = inv.vat
+            inv.total_verified = inv.total
+        else:
+            if body.taxable_verified is not None: inv.taxable_verified = body.taxable_verified
+            if body.vat_verified is not None: inv.vat_verified = body.vat_verified
+            if body.total_verified is not None: inv.total_verified = body.total_verified
+    else:  # RESPINTA | PENDING
+        inv.taxable_verified = inv.vat_verified = inv.total_verified = None
+
+    inv.date_checks = _auto_check_dates(inv, p)
+    inv.verified_by = user.user_id
+    inv.verified_at = datetime.now(timezone.utc)
+
+    db.commit()
+    db.refresh(inv)
+    return ApiResponse(message=f"Fattura {body.verification_status}",
+                       data=InvoiceOut.model_validate(inv).model_dump(mode="json"))
+
+
+@router.put("/{practice_id}/ula-employees/{employee_id}/verify", response_model=ApiResponse)
+def verify_ula_employee(practice_id: UUID, employee_id: UUID, body: UlaVerifyBody,
+                         db: Session = Depends(get_db), user: AuthUser = Depends(_require_instructor)):
+    p = _get_practice_or_404(db, practice_id)
+    if p.status not in ("UNDER_REVIEW", "AWAITING_AMENDMENT"):
+        raise HTTPException(status_code=409, detail=f"Pratica in stato {p.status}")
+    if body.verification_status not in ("AMMESSA", "PARZIALE", "RESPINTA", "PENDING"):
+        raise HTTPException(status_code=422, detail="verification_status non valido")
+
+    e = db.query(RemissionUlaEmployee).filter(
+        RemissionUlaEmployee.id == employee_id,
+        RemissionUlaEmployee.practice_id == practice_id
+    ).first()
+    if not e:
+        raise HTTPException(status_code=404, detail="Dipendente non trovato")
+
+    e.verification_status = body.verification_status
+    e.verification_notes = body.verification_notes
+    if body.verification_status in ("AMMESSA", "PARZIALE"):
+        if body.verification_status == "AMMESSA" and body.fte_pct_verified is None:
+            e.fte_pct_verified = e.fte_pct
+        elif body.fte_pct_verified is not None:
+            e.fte_pct_verified = body.fte_pct_verified
+    else:
+        e.fte_pct_verified = None
+
+    e.verified_by = user.user_id
+    e.verified_at = datetime.now(timezone.utc)
+    db.commit()
+    db.refresh(e)
+    return ApiResponse(message=f"Dipendente {body.verification_status}",
+                       data=UlaEmployeeOut.model_validate(e).model_dump(mode="json"))
+
+
+@router.put("/{practice_id}/documents/{doc_code}/verify", response_model=ApiResponse)
+def verify_document(practice_id: UUID, doc_code: str, body: DocumentVerifyBody,
+                    db: Session = Depends(get_db), user: AuthUser = Depends(_require_instructor)):
+    p = _get_practice_or_404(db, practice_id)
+    if p.status not in ("UNDER_REVIEW", "AWAITING_AMENDMENT"):
+        raise HTTPException(status_code=409, detail=f"Pratica in stato {p.status}")
+    if body.verification_status not in ("VALIDO", "NON_VALIDO", "SCADUTO", "PENDING"):
+        raise HTTPException(status_code=422, detail="verification_status non valido")
+
+    d = db.query(RemissionDocument).filter(
+        RemissionDocument.practice_id == practice_id,
+        RemissionDocument.doc_code == doc_code
+    ).first()
+    if not d:
+        raise HTTPException(status_code=404, detail="Documento non trovato")
+
+    d.verification_status = body.verification_status
+    d.verification_notes = body.verification_notes
+    d.verified_by = user.user_id
+    d.verified_at = datetime.now(timezone.utc)
+    db.commit()
+    db.refresh(d)
+    return ApiResponse(message=f"Documento {body.verification_status}",
+                       data=DocumentOut.model_validate(d).model_dump(mode="json"))
+
+
+@router.put("/{practice_id}/final-notes", response_model=ApiResponse)
+def set_instructor_final_notes(practice_id: UUID, body: InstructorFinalNotesBody,
+                                db: Session = Depends(get_db), user: AuthUser = Depends(_require_instructor)):
+    p = _get_practice_or_404(db, practice_id)
+    if p.status not in ("UNDER_REVIEW", "AWAITING_AMENDMENT"):
+        raise HTTPException(status_code=409, detail=f"Pratica in stato {p.status}")
+    if body.instructor_final_notes is not None:
+        p.instructor_final_notes = body.instructor_final_notes
+    if body.instructor_checklist is not None:
+        p.instructor_checklist = body.instructor_checklist
+    db.commit()
+    db.refresh(p)
+    return ApiResponse(message="Verbale aggiornato",
+                       data=PracticeOut.model_validate(p).model_dump(mode="json"))
diff --git a/app/routers/practices.py b/app/routers/practices.py
index 5edd69c..1baa2b7 100644
--- a/app/routers/practices.py
+++ b/app/routers/practices.py
@@ -52,20 +52,49 @@ def _ensure_editable(practice: RemissionPractice):
 
 
 def _compute_gate_check(practice: RemissionPractice) -> GateCheckResult:
-    """Valuta le gate_rules dello schema snapshot contro il contenuto della pratica."""
+    """Valuta le gate_rules dello schema snapshot contro il contenuto della pratica.
+    Calcola:
+    - per_category_declared: totali dichiarati dal beneficiario (sempre)
+    - per_category_verified: totali verificati dall istruttore (solo AMMESSA/PARZIALE)
+    - grand_total: totale dichiarato (rif. beneficiario)
+    - grand_total_verified: totale verificato (rif. remissione finale)
+    """
     rules = practice.schema_snapshot.get("gate_rules", {}) or {}
     sections = practice.schema_snapshot.get("sections", []) or []
 
-    # totali per categoria
-    per_category = {}
-    grand_total = Decimal("0")
     iva_ordinario_only_taxable = rules.get("iva_ordinario_imponibile_only", True)
     use_taxable_only = (practice.iva_regime == "ORDINARIO" and iva_ordinario_only_taxable)
 
+    per_category_declared = {}
+    per_category_verified = {}
+    grand_total = Decimal("0")
+    grand_total_verified = Decimal("0")
+
+    any_verified = False
+    all_verified = len(practice.invoices) > 0
+
     for inv in practice.invoices:
-        amt = inv.taxable if use_taxable_only else inv.total
-        per_category[inv.category_code] = per_category.get(inv.category_code, Decimal("0")) + amt
-        grand_total += amt
+        # Dichiarato (sempre)
+        amt_decl = inv.taxable if use_taxable_only else inv.total
+        per_category_declared[inv.category_code] = per_category_declared.get(inv.category_code, Decimal("0")) + amt_decl
+        grand_total += amt_decl
+
+        # Verificato (solo se stato AMMESSA o PARZIALE)
+        if inv.verification_status in ("AMMESSA", "PARZIALE"):
+            any_verified = True
+            # se PARZIALE usa i valori verified; se AMMESSA ma verified sono null, usa dichiarato
+            if inv.verification_status == "PARZIALE":
+                tax_v = inv.taxable_verified if inv.taxable_verified is not None else inv.taxable
+                tot_v = inv.total_verified if inv.total_verified is not None else inv.total
+            else:  # AMMESSA
+                tax_v = inv.taxable_verified if inv.taxable_verified is not None else inv.taxable
+                tot_v = inv.total_verified if inv.total_verified is not None else inv.total
+            amt_ver = tax_v if use_taxable_only else tot_v
+            per_category_verified[inv.category_code] = per_category_verified.get(inv.category_code, Decimal("0")) + amt_ver
+            grand_total_verified += amt_ver
+        elif inv.verification_status == "PENDING":
+            all_verified = False
+        # RESPINTA: non contribuisce ai verified
 
     # cap remissione
     amt_erogato = practice.amount_erogato
@@ -73,6 +102,14 @@ def _compute_gate_check(practice: RemissionPractice) -> GateCheckResult:
     cap_abs = Decimal(str(rules.get("cap_absolute", 12500)))
     max_remission = min(cap_pct * amt_erogato, cap_abs)
 
+    # Se almeno 1 verifica fatta -> uso grand_total_verified per remission_due
+    #   altrimenti uso grand_total (dichiarato) per preview pre-istruttoria
+    effective_total = grand_total_verified if any_verified else grand_total
+    remission_due = min(effective_total, max_remission)
+
+    # Per compatibilità: per_category e grand_total restano "dichiarato"
+    per_category = per_category_declared
+
     checks = []
 
     # Check 1: regime IVA scelto
@@ -140,17 +177,22 @@ def _compute_gate_check(practice: RemissionPractice) -> GateCheckResult:
         "detail": f"Erogato: {amt_erogato} EUR"
     })
 
-    remission_due = min(grand_total, max_remission)
-
     return GateCheckResult(
         passed=all(c["passed"] for c in checks),
         checks=checks,
         totals={
             "per_category": {k: float(v) for k, v in per_category.items()},
+            "per_category_declared": {k: float(v) for k, v in per_category_declared.items()},
+            "per_category_verified": {k: float(v) for k, v in per_category_verified.items()},
             "grand_total": float(grand_total),
+            "grand_total_declared": float(grand_total),
+            "grand_total_verified": float(grand_total_verified),
             "max_remission": float(max_remission),
             "remission_due": float(remission_due),
-            "amount_erogato": float(amt_erogato)
+            "amount_erogato": float(amt_erogato),
+            "any_verified": any_verified,
+            "all_verified": all_verified,
+            "residuo_da_restituire": float(max(amt_erogato - Decimal(str(remission_due)), Decimal("0")))
         }
     )
 
diff --git a/app/schemas.py b/app/schemas.py
index da1b27b..9b606e9 100644
--- a/app/schemas.py
+++ b/app/schemas.py
@@ -68,6 +68,15 @@ class InvoiceOut(InvoiceCreate):
     id: UUID
     practice_id: UUID
     created_at: datetime
+    # istruttoria
+    taxable_verified: Optional[Decimal] = None
+    vat_verified: Optional[Decimal] = None
+    total_verified: Optional[Decimal] = None
+    verification_status: str = "PENDING"
+    verification_notes: Optional[str] = None
+    date_checks: Optional[dict] = None
+    verified_by: Optional[int] = None
+    verified_at: Optional[datetime] = None
 
     model_config = {"from_attributes": True}
 
@@ -89,6 +98,12 @@ class UlaEmployeeOut(UlaEmployeeCreate):
     id: UUID
     practice_id: UUID
     created_at: datetime
+    # istruttoria
+    fte_pct_verified: Optional[Decimal] = None
+    verification_status: str = "PENDING"
+    verification_notes: Optional[str] = None
+    verified_by: Optional[int] = None
+    verified_at: Optional[datetime] = None
 
     model_config = {"from_attributes": True}
 
@@ -110,6 +125,11 @@ class DocumentOut(BaseModel):
     uploaded_at: Optional[datetime] = None
     expires_at: Optional[date] = None
     notes: Optional[str] = None
+    # istruttoria
+    verification_status: str = "PENDING"
+    verification_notes: Optional[str] = None
+    verified_by: Optional[int] = None
+    verified_at: Optional[datetime] = None
 
     model_config = {"from_attributes": True}
 
@@ -130,6 +150,16 @@ class PracticeOut(BaseModel):
     updated_at: datetime
     submitted_at: Optional[datetime] = None
 
+    # istruttoria
+    assigned_instructor_id: Optional[int] = None
+    reviewed_at: Optional[datetime] = None
+    reviewed_by: Optional[int] = None
+    rejection_reason: Optional[str] = None
+    approved_remission: Optional[Decimal] = None
+    instructor_final_notes: Optional[str] = None
+    instructor_checklist: Optional[dict] = None
+    verbale_date: Optional[date] = None
+
     invoices: List[InvoiceOut] = []
     ula_employees: List[UlaEmployeeOut] = []
     documents: List[DocumentOut] = []
@@ -223,6 +253,35 @@ class InstructorQueueItem(BaseModel):
     model_config = {"from_attributes": True}
 
 
+
+# Verifica singola fattura
+class InvoiceVerifyBody(BaseModel):
+    verification_status: str  # AMMESSA | PARZIALE | RESPINTA
+    taxable_verified: Optional[Decimal] = None
+    vat_verified: Optional[Decimal] = None
+    total_verified: Optional[Decimal] = None
+    verification_notes: Optional[str] = None
+
+
+# Verifica singolo dipendente ULA
+class UlaVerifyBody(BaseModel):
+    verification_status: str  # AMMESSA | PARZIALE | RESPINTA
+    fte_pct_verified: Optional[Decimal] = None
+    verification_notes: Optional[str] = None
+
+
+# Verifica singolo documento
+class DocumentVerifyBody(BaseModel):
+    verification_status: str  # VALIDO | NON_VALIDO | SCADUTO
+    verification_notes: Optional[str] = None
+
+
+# Note finali istruttore + checklist
+class InstructorFinalNotesBody(BaseModel):
+    instructor_final_notes: Optional[str] = None
+    instructor_checklist: Optional[dict] = None
+
+
 # ====================== Wrapper ======================
 
 class ApiResponse(BaseModel):
diff --git a/app/templates.py b/app/templates.py
index 3afed95..d1cf507 100644
--- a/app/templates.py
+++ b/app/templates.py
@@ -12,8 +12,24 @@ RESTART_TEMPLATE = {
             "type": "static_fields",
             "id": "general",
             "label": "Dati generali",
-            "description": "Regime IVA e dati base del beneficiario. ATECO e importo erogato sono pre-compilati dalla domanda approvata.",
+            "description": "Regime IVA, dati base del beneficiario, periodo di ammissibilità delle spese.",
             "fields": [
+                {
+                    "id": "period_start_date",
+                    "type": "date",
+                    "label": "Periodo ammissibilità — Data inizio",
+                    "description": "Data minima di emissione/pagamento fatture ammissibili. Di norma: data erogazione del finanziamento.",
+                    "editable_by": "superadmin",
+                    "required": True
+                },
+                {
+                    "id": "period_end_date",
+                    "type": "date",
+                    "label": "Periodo ammissibilità — Data fine",
+                    "description": "Data massima di emissione/pagamento fatture ammissibili.",
+                    "editable_by": "superadmin",
+                    "required": True
+                },
                 {
                     "id": "iva_regime",
                     "type": "select",