diff --git a/ddmrp/models/stock_buffer.py b/ddmrp/models/stock_buffer.py
index 35efc345f..21b4556ae 100644
--- a/ddmrp/models/stock_buffer.py
+++ b/ddmrp/models/stock_buffer.py
@@ -6,7 +6,7 @@
 import operator as py_operator
 import threading
 from collections import defaultdict
-from datetime import datetime, timedelta
+from datetime import datetime, time, timedelta
 from math import pi
 
 from odoo import _, api, exceptions, fields, models
@@ -1167,12 +1167,56 @@ def _compute_product_vendor_code(self):
         string="Incoming (Outside DLT)",
         readonly=True,
     )
+    stock_moves_inside_dlt_ids = fields.Many2many(
+        comodel_name="stock.move",
+        relation="stock_moves_inside_dlt",
+    )
+    stock_moves_inside_dlt_qty = fields.Float(
+        string="Stock Moves Qty (Within DLT)",
+        readonly=True,
+    )
+    stock_moves_outside_dlt_ids = fields.Many2many(
+        comodel_name="stock.move",
+        relation="stock_moves_outside_dlt",
+    )
+    stock_moves_outside_dlt_qty = fields.Float(
+        string="Stock Moves Qty (Outside DLT)",
+        readonly=True,
+    )
+    rfq_inside_dlt_ids = fields.Many2many(
+        comodel_name="purchase.order.line",
+        relation="rfq_inside_dlt",
+    )
+    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.",
+    )
+    rfq_outside_dlt_ids = fields.Many2many(
+        comodel_name="purchase.order.line",
+        relation="rfq_outside_dlt",
+    )
     rfq_outside_dlt_qty = fields.Float(
         string="RFQ Qty (Outside DLT)",
         readonly=True,
         help="Request for Quotation total quantity that is planned outside of "
         "the DLT horizon.",
     )
+    stock_moves_inside_dlt_qty_to_subtract = fields.Float(
+        string="Stock Moves Qty (Within DLT) To Subtract",
+        help="If a Stock Move contains quantities of open RFQs and confirmed "
+        "Purchase Orders, we will maintain the Stock Move information but "
+        "save in this field the units that need to be subtracted.",
+        readonly=True,
+    )
+    stock_moves_outside_dlt_qty_to_subtract = fields.Float(
+        string="Stock Moves Qty (Outside DLT) To Subtract",
+        help="If a Stock Move contains quantities of open RFQs and confirmed "
+        "Purchase Orders, we will maintain the Stock Move information but "
+        "save in this field the units that need to be subtracted.",
+        readonly=True,
+    )
     net_flow_position = fields.Float(
         string="Net flow position",
         digits="Product Unit of Measure",
@@ -1542,7 +1586,13 @@ def _get_incoming_supply_date_limit(self):
         # The safety factor allows to control the date limit
         factor = self.warehouse_id.nfp_incoming_safety_factor or 1
         horizon = int(self.dlt) * factor
-        return self._get_date_planned(force_lt=horizon)
+        datetime_planned = self._get_date_planned(force_lt=horizon)
+        target_time = time(12, 0, 0)
+        if datetime_planned.time() < target_time:
+            datetime_planned = datetime_planned.replace(
+                hour=12, minute=0, second=0, microsecond=0
+            )
+        return datetime_planned
 
     def _search_stock_moves_incoming_domain(self, outside_dlt=False):
         date_to = self._get_incoming_supply_date_limit()
@@ -1557,6 +1607,12 @@ def _search_stock_moves_incoming_domain(self, outside_dlt=False):
             ("date", date_operator, date_to),
         ]
 
+    def _get_all_upstream_moves(self, moves):
+        upstream_moves = moves
+        while upstream_moves.mapped("move_orig_ids"):
+            upstream_moves = upstream_moves.mapped("move_orig_ids")
+        return upstream_moves.filtered(lambda x: x.state != "cancel")
+
     def _search_stock_moves_incoming(self, outside_dlt=False):
         domain = self._search_stock_moves_incoming_domain(outside_dlt=outside_dlt)
         moves = self.env["stock.move"].search(domain)
@@ -1564,15 +1620,28 @@ def _search_stock_moves_incoming(self, outside_dlt=False):
             lambda move: not move.location_id.is_sublocation_of(self.location_id)
             and move.location_dest_id.is_sublocation_of(self.location_id)
         )
+        if self.warehouse_id.reception_steps != "one_step":
+            attr = f'stock_moves_{"outside_" if outside_dlt else "inside_"}dlt_qty_to_subtract'
+            upstream_moves = self._get_all_upstream_moves(moves)
+            qty_to_subtract = sum(moves.mapped("product_uom_qty")) - sum(
+                upstream_moves.mapped("product_uom_qty")
+            )
+            setattr(self, attr, qty_to_subtract)
         return moves
 
     def _get_incoming_by_days(self):
         self.ensure_one()
-        moves = self._search_stock_moves_incoming()
         incoming_by_days = {}
+        pols = self.rfq_inside_dlt_ids
+        pol_dates = [dt.date() for dt in pols.mapped("date_planned")]
+        moves = self.stock_moves_inside_dlt_ids
         move_dates = [dt.date() for dt in moves.mapped("date")]
-        for move_date in move_dates:
-            incoming_by_days[move_date] = 0.0
+        dates = list(set(pol_dates) | set(move_dates))
+        for date in dates:
+            incoming_by_days[date] = 0.0
+        for pol in pols:
+            date = pol.date_planned.date()
+            incoming_by_days[date] += pol.product_qty
         for move in moves:
             date = move.date.date()
             incoming_by_days[date] += move.product_qty
@@ -1653,24 +1722,47 @@ def _calc_qualified_demand(self, current_date=False):
             rec.qualified_demand_mrp_move_ids = mrp_moves
         return True
 
-    def _calc_incoming_dlt_qty(self):
-        for rec in self:
-            moves = self._search_stock_moves_incoming()
-            rec.incoming_dlt_qty = sum(moves.mapped("product_qty"))
-            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")
+    def _get_rfq_dlt(self, outside_dlt=False):
+        self.ensure_one()
+        if self.item_type == "purchased":
+            cut_date = self._get_incoming_supply_date_limit()
+            if not outside_dlt:
+                pols = self.purchase_line_ids.filtered(
+                    lambda l: l.date_planned <= fields.Datetime.to_datetime(cut_date)
+                    and l.state in ("draft", "sent")
                 )
-                rec.rfq_outside_dlt_qty = sum(pols.mapped("product_qty"))
             else:
-                rec.rfq_outside_dlt_qty = 0.0
+                pols = self.purchase_line_ids.filtered(
+                    lambda l: l.date_planned > fields.Datetime.to_datetime(cut_date)
+                    and l.state in ("draft", "sent")
+                )
+            return pols
+        return self.env["purchase.order.line"]
+
+    def _calc_incoming_dlt_qty(self):
+        for rec in self:
+            rec.rfq_inside_dlt_ids = rec._get_rfq_dlt()
+            rec.rfq_outside_dlt_ids = rec._get_rfq_dlt(outside_dlt=True)
+            rec.rfq_inside_dlt_qty = sum(rec.rfq_inside_dlt_ids.mapped("product_qty"))
+            rec.rfq_outside_dlt_qty = sum(rec.rfq_outside_dlt_ids.mapped("product_qty"))
+
+            rec.stock_moves_inside_dlt_ids = rec._search_stock_moves_incoming()
+            rec.stock_moves_outside_dlt_ids = rec._search_stock_moves_incoming(
+                outside_dlt=True
+            )
+            rec.stock_moves_inside_dlt_qty = (
+                sum(rec.stock_moves_inside_dlt_ids.mapped("product_qty"))
+                - rec.stock_moves_inside_dlt_qty_to_subtract
+            )
+            rec.stock_moves_outside_dlt_qty = (
+                sum(rec.stock_moves_outside_dlt_ids.mapped("product_qty"))
+                - rec.stock_moves_outside_dlt_qty_to_subtract
+            )
+
+            rec.incoming_dlt_qty = rec.stock_moves_inside_dlt_qty
+            rec.incoming_outside_dlt_qty = (
+                rec.rfq_outside_dlt_qty + rec.stock_moves_outside_dlt_qty
+            )
             rec.incoming_total_qty = rec.incoming_dlt_qty + rec.incoming_outside_dlt_qty
         return True
 
@@ -1813,55 +1905,32 @@ def do_auto_procure(self):
     def action_view_supply_moves(self):
         result = self.env["ir.actions.actions"]._for_xml_id("stock.stock_move_action")
         result["context"] = {}
-        moves = self._search_stock_moves_incoming() + self._search_stock_moves_incoming(
-            outside_dlt=True
-        )
+        moves = self.stock_moves_inside_dlt_ids + self.stock_moves_outside_dlt_ids
         result["domain"] = [("id", "in", moves.ids)]
         return result
 
-    def _get_rfq_dlt(self, outside_dlt=False):
-        self.ensure_one()
-        cut_date = self._get_incoming_supply_date_limit()
-        if not outside_dlt:
-            pols = self.purchase_line_ids.filtered(
-                lambda l: l.date_planned <= fields.Datetime.to_datetime(cut_date)
-                and l.state in ("draft", "sent")
-            )
-        else:
-            pols = self.purchase_line_ids.filtered(
-                lambda l: l.date_planned > fields.Datetime.to_datetime(cut_date)
-                and l.state in ("draft", "sent")
-            )
-        return pols
-
     def action_view_supply_moves_inside_dlt_window(self):
         result = self.env["ir.actions.actions"]._for_xml_id("stock.stock_move_action")
-        moves = self._search_stock_moves_incoming()
         result["context"] = {}
-        result["domain"] = [("id", "in", moves.ids)]
+        result["domain"] = [("id", "in", self.stock_moves_inside_dlt_ids.ids)]
         return result
 
     def action_view_supply_moves_outside_dlt_window(self):
         result = self.env["ir.actions.actions"]._for_xml_id("stock.stock_move_action")
-        moves = self._search_stock_moves_incoming(outside_dlt=True)
         result["context"] = {}
-        result["domain"] = [("id", "in", moves.ids)]
+        result["domain"] = [("id", "in", self.stock_moves_outside_dlt_ids.ids)]
         return result
 
     def action_view_supply_rfq_inside_dlt_window(self):
         result = self.env["ir.actions.actions"]._for_xml_id("purchase.purchase_rfq")
-        pols = self._get_rfq_dlt()
-        pos = pols.mapped("order_id")
         result["context"] = {}
-        result["domain"] = [("id", "in", pos.ids)]
+        result["domain"] = [("id", "in", self.rfq_inside_dlt_ids.order_id.ids)]
         return result
 
     def action_view_supply_rfq_outside_dlt_window(self):
         result = self.env["ir.actions.actions"]._for_xml_id("purchase.purchase_rfq")
-        pols = self._get_rfq_dlt(outside_dlt=True)
-        pos = pols.mapped("order_id")
         result["context"] = {}
-        result["domain"] = [("id", "in", pos.ids)]
+        result["domain"] = [("id", "in", self.rfq_outside_dlt_ids.order_id.ids)]
         return result
 
     def action_view_qualified_demand_moves(self):
diff --git a/ddmrp/tests/test_ddmrp.py b/ddmrp/tests/test_ddmrp.py
index 8823810e8..e03913050 100644
--- a/ddmrp/tests/test_ddmrp.py
+++ b/ddmrp/tests/test_ddmrp.py
@@ -1288,3 +1288,128 @@ def test_46_disable_auto_create_orderpoint(self):
             ]
         )
         self.assertFalse(op_a)
+
+    def test_47_action_view_supply_buffer_purchase(self):
+        """
+        Verify that the view incoming quantities action for a purchased buffer
+        displays the correct results.
+        """
+        buffer = self.buffer_purchase
+        buffer.auto_procure = True
+        buffer.auto_procure_option = "standard"
+        buffer.do_auto_procure()
+        buffer._calc_incoming_dlt_qty()
+        pol = self.pol_model.search([("product_id", "=", self.product_purchased.id)])
+        # Check that RFQs are correctly computed
+        self.assertEqual(buffer.rfq_inside_dlt_ids.ids, pol.ids)
+        self.assertEqual(len(buffer.rfq_outside_dlt_ids.ids), 0)
+        pol.date_planned += timedelta(days=1)
+        buffer._calc_incoming_dlt_qty()
+        self.assertEqual(len(buffer.rfq_inside_dlt_ids.ids), 0)
+        self.assertEqual(buffer.rfq_outside_dlt_ids.ids, pol.ids)
+        # Check that incoming quantities are correctly computed
+        pol.order_id.button_confirm()
+        buffer._calc_incoming_dlt_qty()
+        self.assertEqual(len(buffer.rfq_inside_dlt_ids.ids), 0)
+        self.assertEqual(len(buffer.rfq_outside_dlt_ids.ids), 0)
+        self.assertEqual(len(buffer.stock_moves_inside_dlt_ids.ids), 0)
+        self.assertEqual(buffer.stock_moves_outside_dlt_ids.ids, pol.move_ids.ids)
+        pol.mapped("move_ids.picking_id").scheduled_date -= timedelta(days=1)
+        buffer._calc_incoming_dlt_qty()
+        self.assertEqual(len(buffer.rfq_inside_dlt_ids.ids), 0)
+        self.assertEqual(len(buffer.rfq_outside_dlt_ids.ids), 0)
+        self.assertEqual(buffer.stock_moves_inside_dlt_ids.ids, pol.move_ids.ids)
+        self.assertEqual(len(buffer.stock_moves_outside_dlt_ids.ids), 0)
+
+    def test_48_action_view_supply_buffer_manufacture(self):
+        """
+        Verify that the view incoming quantities action for a manufactured buffer
+        displays the correct results.
+        """
+        buffer = self.buffer_a
+        self.quant.quantity = 0
+        buffer.buffer_profile_id = self.buffer_profile_mmm.id
+        buffer.auto_procure = True
+        buffer.auto_procure_option = "standard"
+        buffer.cron_actions()
+        buffer.do_auto_procure()
+        buffer._calc_incoming_dlt_qty()
+        mo = self.env["mrp.production"].search([("product_id", "=", self.productA.id)])
+        # Check that MOs are correctly computed
+        self.assertEqual(
+            buffer.stock_moves_inside_dlt_ids.mapped("production_id.id"), mo.ids
+        )
+        self.assertEqual(
+            len(buffer.stock_moves_outside_dlt_ids.mapped("production_id.id")), 0
+        )
+        mo.date_planned_finished += timedelta(days=1)
+        buffer._calc_incoming_dlt_qty()
+        self.assertEqual(
+            len(buffer.stock_moves_inside_dlt_ids.mapped("production_id.id")), 0
+        )
+        self.assertEqual(
+            buffer.stock_moves_outside_dlt_ids.mapped("production_id.id"), mo.ids
+        )
+
+    def test_49_action_view_supply_buffer_purchase_3_steps(self):
+        """
+        Verify that the view incoming quantities action for a purchased buffer displays
+        the correct results with a 3-step configuration.
+        """
+        buffer = self.buffer_purchase
+        self.warehouse.reception_steps = "three_steps"
+        buffer.auto_procure = True
+        buffer.auto_procure_option = "standard"
+        buffer.do_auto_procure()
+        buffer._calc_incoming_dlt_qty()
+        pol = self.pol_model.search([("product_id", "=", self.product_purchased.id)])
+        # Check that RFQs are correctly computed
+        self.assertEqual(buffer.rfq_inside_dlt_ids.ids, pol.ids)
+        self.assertEqual(len(buffer.rfq_outside_dlt_ids.ids), 0)
+        # Check that incoming quantities are correctly computed
+        pol.order_id.button_confirm()
+        buffer._calc_incoming_dlt_qty()
+        moves = pol.mapped("move_ids")
+        while moves.mapped("move_dest_ids"):
+            moves = moves.mapped("move_dest_ids")
+        self.assertEqual(len(buffer.rfq_inside_dlt_ids.ids), 0)
+        self.assertEqual(len(buffer.rfq_outside_dlt_ids.ids), 0)
+        self.assertEqual(buffer.stock_moves_inside_dlt_ids.ids, moves.ids)
+        self.assertEqual(len(buffer.stock_moves_outside_dlt_ids.ids), 0)
+        moves.mapped("picking_id").scheduled_date += timedelta(days=1)
+        buffer._calc_incoming_dlt_qty()
+        self.assertEqual(len(buffer.rfq_inside_dlt_ids.ids), 0)
+        self.assertEqual(len(buffer.rfq_outside_dlt_ids.ids), 0)
+        self.assertEqual(len(buffer.stock_moves_inside_dlt_ids.ids), 0)
+        self.assertEqual(buffer.stock_moves_outside_dlt_ids.ids, moves.ids)
+
+    def test_50_action_view_supply_buffer_manufacture_3_steps(self):
+        """
+        Verify that the view incoming quantities action for a manufactured buffer displays
+        the correct results with a 3-step configuration.
+        """
+        buffer = self.buffer_a
+        self.warehouse.manufacture_steps = "pbm_sam"
+        self.quant.quantity = 0
+        buffer.buffer_profile_id = self.buffer_profile_mmm.id
+        buffer.auto_procure = True
+        buffer.auto_procure_option = "standard"
+        buffer.cron_actions()
+        buffer.do_auto_procure()
+        buffer._calc_incoming_dlt_qty()
+        mo = self.env["mrp.production"].search([("product_id", "=", self.productA.id)])
+        # Check that MOs are correctly computed
+        moves = buffer.stock_moves_inside_dlt_ids
+        while moves.mapped("move_orig_ids"):
+            moves = moves.mapped("move_orig_ids")
+        self.assertEqual(moves.mapped("production_id.id"), mo.ids)
+        self.assertEqual(
+            len(buffer.stock_moves_outside_dlt_ids.mapped("production_id.id")), 0
+        )
+        for picking in moves.mapped("picking_id"):
+            picking.scheduled_date += timedelta(days=1)
+        buffer._calc_incoming_dlt_qty()
+        self.assertEqual(
+            len(buffer.stock_moves_inside_dlt_ids.mapped("production_id.id")), 0
+        )
+        self.assertEqual(moves.mapped("production_id.id"), mo.ids)
diff --git a/ddmrp/views/stock_buffer_view.xml b/ddmrp/views/stock_buffer_view.xml
index 98d3252bd..bf1fd299b 100644
--- a/ddmrp/views/stock_buffer_view.xml
+++ b/ddmrp/views/stock_buffer_view.xml
@@ -64,12 +64,22 @@
                     icon="fa-cogs"
                     type="action"
                 />
+                <field name="stock_moves_outside_dlt_qty" invisible="1" />
                 <button
                     title="Some incoming quantities are outside of the DLT Horizon and may require rescheduling. Press this button to display the involved supply orders"
                     name="action_view_supply_moves_outside_dlt_window"
                     icon="fa-warning"
                     type="object"
-                    attrs="{'invisible':[('incoming_outside_dlt_qty', '=', 0)]}"
+                    attrs="{'invisible':[('stock_moves_outside_dlt_qty', '=', 0)]}"
+                />
+                <field name="rfq_inside_dlt_qty" invisible="1" />
+                <button
+                    title="Some RFQ quantities are inside the DLT Horizon and may require confirming.
+                    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)]}"
                 />
                 <field name="rfq_outside_dlt_qty" invisible="1" />
                 <button
@@ -400,25 +410,40 @@
                                 <label for="incoming_dlt_qty" />
                                 <div name="incoming_dlt_qty" class="o_row">
                                     <field name="incoming_dlt_qty" />
+                                    <field
+                                        name="stock_moves_inside_dlt_qty"
+                                        invisible="1"
+                                    />
                                     <button
                                         title="View Incoming Moves (Within DLT)"
                                         name="action_view_supply_moves_inside_dlt_window"
                                         icon="fa-search"
                                         type="object"
-                                        attrs="{'invisible': [('incoming_dlt_qty', '=', 0)]}"
+                                        attrs="{'invisible': [('stock_moves_inside_dlt_qty', '=', 0)]}"
+                                    />
+                                    <field name="rfq_inside_dlt_qty" invisible="1" />
+                                    <button
+                                        title="View Incoming RFQs (Within DLT)"
+                                        name="action_view_supply_rfq_inside_dlt_window"
+                                        icon="fa-search"
+                                        type="object"
+                                        attrs="{'invisible': [('rfq_inside_dlt_qty', '=', 0)]}"
                                     />
-                                    <field name="rfq_outside_dlt_qty" invisible="1" />
                                     <div
                                         class="o_row"
-                                        attrs="{'invisible':[('incoming_outside_dlt_qty', '=', 0), ('rfq_outside_dlt_qty', '=', 0)]}"
+                                        attrs="{'invisible':[('incoming_outside_dlt_qty', '=', 0)]}"
                                     >
+                                        <field
+                                            name="stock_moves_outside_dlt_qty"
+                                            invisible="1"
+                                        />
                                         <button
                                             title="Some incoming qty is outside of the DLT Horizon and may require rescheduling.
                                              Press this button to display the involved supply orders"
                                             name="action_view_supply_moves_outside_dlt_window"
                                             icon="fa-warning"
                                             type="object"
-                                            attrs="{'invisible':[('incoming_outside_dlt_qty', '=', 0)]}"
+                                            attrs="{'invisible':[('stock_moves_outside_dlt_qty', '=', 0)]}"
                                         />
                                         <field
                                             name="rfq_outside_dlt_qty"