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+++ b/inventory/incoming/three_steps.rst
@@ -1,3 +1,127 @@
 =============================================================
 How to add a quality control step in goods receipt? (3 steps)
-=============================================================
\ No newline at end of file
+=============================================================
+
+Overview
+========
+
+In many companies, it is necessary to assess the received good. The goal
+is to check that the products correspond to the quality requirements
+agreed with the suppliers. Therefore, adding a quality control step in
+the goods receipt process can become essential.
+
+Odoo uses routes to define exactly how you will handle the different
+receipt steps. The configuration is done at the level of the warehouse.
+By default, the reception is a one step process, but changing the
+configuration can allow to have 2 or even 3 steps.
+
+The 3 steps flow is as follows: You receive the goods in an input
+area, then transfer them into quality area for quality control. When
+the quality check has been processed, you can move the goods from QC
+to stock. Of course, you may change the quantity and only transfer to
+stock the quantity that is valid and decide that you will return the
+quantity that is not good.
+
+This is the case that will be explained in this document.
+
+Configuration
+=============
+
+Use advanced routes
+-------------------
+
+To allow management of routes, go to the menu
+:menuselection:`Inventory --> Configuration --> Settings`.
+
+.. image:: media/three_steps06.png
+   :align: center
+
+Ensure that the routes option **Advance routing of product using
+rules** is checked, then click on **Apply** to save changes.
+
+Make sure that **Manage several locations per warehouse** is also
+ticked.
+
+How to add a quality control step in goods receipt?
+---------------------------------------------------
+
+Go to the menu :menuselection:`Inventory --> Configuration --> Warehouse` and
+choose the warehouse where you want to change reception methods.
+
+By default, warehouses are configured with one step reception (**Receive
+goods directly into stock**).
+
+To add quality control before transfer goods into stock location, tick
+**Unload in input location, go through a quality control before being
+admitted in stock (3 steps)**.
+
+.. image:: media/three_steps01.png
+   :align: center
+
+How to control a receipt ?
+==========================
+
+How to process the receipt step ?
+---------------------------------
+
+-  In the **Purchase** app, create a **Request for Quotation**. Click on the
+   **Confirm order** button. You can see that there is one **Shipment**
+   related to purchase order in the stat button above the
+   purchase order form view. This is the receipt step.
+
+.. image:: media/three_steps04.png
+   :align: center
+
+-  Go to **Inventory** and click on the link **# TO RECEIVE** in the **Receipts** card.
+
+.. image:: media/three_steps02.png
+   :align: center
+
+- Click on the receipt that you want to process. Click on **Validate** to
+  complete the move from the **Vendor** location to **WH/Input**.
+
+This has completed the receipt step and the status column at the top of
+the page for **WH/IN** should now show **Done**. The product has been moved
+from the **Vendor** to the **WH/Input** location, which makes the product
+available for the next step (Move to the quality control zone)
+
+How to move your product from the receipt zone to the quality control zone ?
+----------------------------------------------------------------------------
+
+Go to the **Inventory** dashboard. You will see that there is one
+transfer ready (the move to the quality control zone) and one waiting
+(the move to the stock after the control). Click on the link **# TRANSFERS** in
+the **Internal Transfers** to process the quality control.
+
+.. image:: media/three_steps03.png
+   :align: center
+
+Click on the picking that you want to process.
+
+Click on **Validate** to complete the move from **WH/Input** to **WH/Quality
+Control**.
+
+This has completed the internal transfer step and the status column at
+the top of the page for **WH/INT** should now show **Done**. The receipt is
+now ready to be controlled.
+
+How to to process the quality control ? 
+----------------------------------------
+
+Go back to the **Inventory** dashboard. The waiting transfer is now
+ready. Click on the link **# TRANSFERS** in the **Internal Transfers** card to process
+the quality control.
+
+.. image:: media/three_steps05.png
+   :align: center
+
+Click on the last picking to process. Click on **Validate** to complete
+the move from **WH/Quality Control** to **WH/Stock**.
+
+This has completed the quality control step and the status column at the
+top of the page for **WH/INT** should now show **Done**. The receipt has
+been controlled and has moved to your stock.
+
+.. seealso::
+    * :doc:`../delivery/inventory_flow`
+    * :doc:`two_steps`
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