diff --git a/ddmrp/models/stock_buffer.py b/ddmrp/models/stock_buffer.py
index 19093bdfb..4d2ec9a7c 100644
--- a/ddmrp/models/stock_buffer.py
+++ b/ddmrp/models/stock_buffer.py
@@ -1196,6 +1196,12 @@ def _compute_product_vendor_code(self):
         help="Request for Quotation total quantity that is planned outside of "
         "the DLT horizon.",
     )
+    rfq_inside_dlt_qty = fields.Float(
+        string="RFQ Qty (Inside DLT)",
+        readonly=True,
+        help="Request for Quotation total quantity that is planned inside of "
+        "the DLT horizon.",
+    )
     net_flow_position = fields.Float(
         digits="Product Unit of Measure",
         readonly=True,
@@ -1679,17 +1685,13 @@ def _calc_incoming_dlt_qty(self):
             outside_dlt_moves = self._search_stock_moves_incoming(outside_dlt=True)
             rec.incoming_outside_dlt_qty = sum(outside_dlt_moves.mapped("product_qty"))
             if rec.item_type == "purchased":
-                cut_date = rec._get_incoming_supply_date_limit()
-                # FIXME: filter using order_id.state while
-                #  https://github.com/odoo/odoo/pull/58966 is not merged.
-                #  Can be changed in v14.
-                pols = rec.purchase_line_ids.filtered(
-                    lambda l: l.date_planned > fields.Datetime.to_datetime(cut_date)
-                    and l.order_id.state in ("draft", "sent")
-                )
-                rec.rfq_outside_dlt_qty = sum(pols.mapped("product_qty"))
+                pols_outside_dlt = rec._get_rfq_dlt(outside_dlt=True)
+                rec.rfq_outside_dlt_qty = sum(pols_outside_dlt.mapped("product_qty"))
+                pols_inside_dlt = rec._get_rfq_dlt()
+                rec.rfq_inside_dlt_qty = sum(pols_inside_dlt.mapped("product_qty"))
             else:
                 rec.rfq_outside_dlt_qty = 0.0
+                rec.rfq_inside_dlt_qty = 0.0
             rec.incoming_total_qty = rec.incoming_dlt_qty + rec.incoming_outside_dlt_qty
         return True
 
diff --git a/ddmrp/views/stock_buffer_view.xml b/ddmrp/views/stock_buffer_view.xml
index 5993f6792..0b7a4ddad 100644
--- a/ddmrp/views/stock_buffer_view.xml
+++ b/ddmrp/views/stock_buffer_view.xml
@@ -89,6 +89,15 @@
                     type="object"
                     attrs="{'invisible':[('rfq_outside_dlt_qty', '=', 0)]}"
                 />
+                <field name="rfq_inside_dlt_qty" invisible="1" />
+                <button
+                    title="Some RFQ quantities are inside of the DLT Horizon and may require rescheduling.
+                    Press this button to display the involved RFQs"
+                    name="action_view_supply_rfq_inside_dlt_window"
+                    icon="fa-warning"
+                    type="object"
+                    attrs="{'invisible':[('rfq_inside_dlt_qty', '=', 0)]}"
+                />
                 <button
                     title="No stock available in source location for distributed buffer"
                     name="action_dummy"
@@ -472,6 +481,15 @@
                                         type="object"
                                         attrs="{'invisible': ['|', ('qualified_demand', '=', 0), ('qualified_demand_mrp_move_ids', '=', [])]}"
                                     />
+                                    <field name="rfq_inside_dlt_qty" invisible="1" />
+                                    <button
+                                        title="Some RFQ quantities are inside of the DLT Horizon and may require rescheduling.
+                                        Press this button to display the involved RFQs"
+                                        name="action_view_supply_rfq_inside_dlt_window"
+                                        icon="fa-warning"
+                                        type="object"
+                                        attrs="{'invisible':[('rfq_inside_dlt_qty', '=', 0)]}"
+                                    />
                                 </div>
                                 <field name="net_flow_position" />
                                 <label for="net_flow_position_percent" />