[IMP] l10n_my: SInvoice documentation

Recently, a new module released to support integration of Odoo with SInvoice to support e-invoicing for Vietnam.

task - 3631616

content/applications/finance/fiscal_localizations/vietnam.rst

@@ -2,6 +2,214 @@
 Vietnam
 =======
 
+Configuration
+=============
+
+Modules installation
+--------------------
+
+:ref:`Install <general/install>` the following modules to get the latest features of the Vietnam
+localization:
+
+.. list-table::
+    :header-rows: 1
+
+    * - Name
+      - Technical name
+      - Description
+    * - :guilabel:`Vientam - Accounting`
+      - `l10n_vn`
+      - The base module to manage chart of accounting and localization for Vietnam.
+    * - :guilabel:`Vietnam - E-invoicing`
+      - `l10n_vn_edi_viettel`
+      - This module includes the features required for integation with S-Invoice.
+    * - :guilabel:`Vietnam - Accounting Reports`
+      - `l10n_vn_reports`
+      - This module includes the accounting reports applicable for Vietnam fiscal localization.
+
+.. image:: vietnam/modules.png
+   :alt: Vietnam localization modules
+
+.. note::
+When `Vietnam` is selected for a company's :guilabel:`Fiscal Localization`, Odoo automatically
+installs certain modules.
+
+
+Configure your company
+----------------------
+
+To configure the company information, go to the :menuselection:`Contacts` app and search the name
+given to your company.
+
+#. Select the :guilabel:`Company` option at the top of the page. Then, configure the following fields:
+
+   - :guilabel:`Name`
+   - :guilabel:`Address`: add :guilabel:`City`, :guilabel:`State`, :guilabel:`Zip Code`,
+     :guilabel:`Country`
+
+     - | In the :guilabel:`Street` field, enter the street name, number, and any additional address
+        information.
+     - In the :guilabel:`Street 2` field, enter the neighborhood.
+
+   - :guilabel:`Tax ID`: The tax identificaiton number
+
+   .. image:: vietnam/contact-configuration.png
+      :alt: Company configuration
+
+#. Upload a company logo and :guilabel:`Save` the contact.
+
+
+E-invoice using S-Invoice integration
+=====================================
+
+.. _S-Invoice: https://www.sinvoice.vn/
+
+S-Invoice_ is an e-invoice service provided by Viettel, one of the biggest E-invoice service provider in Vietnam.
+
+.. important::
+   - | :guilabel:`Vietnam - E-invoicing module` must be installed in order to submit invoices to
+      :guilabel:`S-Invoice`.
+
+Set-up
+------
+
+Configuration on S-invoice
+~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+Account on **S-Invoice** portal is needed to proceed with the integration.
+
+#. Go to S-Invoice_ and :guilable:`Log in` on the portal
+
+   .. note::
+      To create an account, contact :guilabel:`S-Invoice` directly on the portal.
+
+#. Create e-invoice issuance notice and payment.
+
+Configuration on Odoo
+~~~~~~~~~~~~~~~~~~~~~
+
+To connect Odoo database with S-invoice, :guilabel:`credentials` and :guilabel:`template invoice` needs to be
+set first.
+
+#. Go to :menuselection:`Accounting --> Configuration --> Settings`.
+
+#. Under :guilabel:`Vietnamese Integration`, connect Odoo database with S-invoice account using :guilabel:`user name`
+   and :guilabel:`password`. Set a default symbol if needed.
+
+   .. image:: vietnam/sinvoice-configuration-accounting.png
+      :alt: S-Invoice Configuration Accounting
+
+#. Add :guilabel:`S-Invoice Templates` by going to :menuselection:`Accounting --> Configuration --> Templates`.
+
+#. Click :guilabel:`New` to create a new template and add :guilabel:`Template code` and :guilabel:`Template Invoice Type`.
+
+   .. image:: vietnam/sinvoice-configuration-template.png
+      :alt: S-Invoice Configuration Templates
+
+#. Add :guilabel:`Ivnoice Symbols` by selection. New symbol is available for creation directly or under
+   :menuselection:`Accounting --> Configuration --> Symbol`.
+
+   .. image:: vietnam/sinvoice-configuration-symbol.png
+      :alt: S-Invoice Configuration Symbol
+
+   .. important::
+      Make sure that the :guilabel:`Address` and :guilabel:`Tax ID` of the company contact and the customer's contact is
+      filled in properly.
+
+Workflow
+--------
+
+Create an invoice
+~~~~~~~~~~~~~~~~~
+
+#. Go to :menuselection:`Accounting --> Customers --> Invoice` and :guilabel:`Click New` to create a new invoice.
+
+#. Navigate to tab “S-invoice” to fill in Invoice Symbol in case the default Symbol was not set up in the General Settings.
+
+   .. image:: vietnam/sinvoice-invoice-symbol.png
+      :alt: S-Invoice Invoice Symbol
+
+#. Post the invoice by clicking :guilabel:`Confirm`.
+
+#. Click :guilabel:`Send & Print` and choose :guilabel:`Send to S-invoice`. Then click :guilabel:`Send`.
+
+   .. image:: vietnam/sinvoice-invoice-confirm.png
+      :alt: S-Invoice Invoice Confirm
+
+#. Upon successful completion of issuing an e-invoice, :guilabel:`SInvoice` tab of the invoice is updated including
+   :guilabel:`SInvoice Status`, :guilabel:`SInvoice Number` and the :guilabel:`Secret Code`.
+
+   .. image:: vietnam/sinvoice-invoice-sent.png
+      :alt: S-Invoice Invoice Sent
+
+   .. note::
+      The same e-invoice issued can be checked on the :guilabel:`S-Invoice`` portal by logging in.
+
+Issue a replacement invoice
+***************************
+
+Replacement invoice refers to a reversal of the previous invoice and re-issuance of the invoice potentially from a misinput of
+an information that has **not been tax declared yet**.
+
+#. Go to :menuselection:`Accounting --> Customers --> Invoice` and navigate and open the invoice to be replaced.
+
+#. Click :guilabel:`Credit Note` button
+
+   .. image:: vietnam/sinvoice-rep-invoice.png
+      :alt: S-Invoice Credit Note
+
+#. Fill in the adjustement information indicated below and click :guilabel:`Reverse and Create Invoice`.
+
+   .. image:: vietnam/sinvoice-rep-invoice-reverse-create.png
+      :alt: S-Invoice Reverse and Create
+
+   .. note::
+      The :guilabel:`status` of the original invoice replaced will be updated to :guilabel:`"Replaced"`.
+
+#. Upon successful completion of issuing an e-invoice, :guilabel:`SInvoice` tab of the invoice is updated
+
+Issue an adjustment invoice
+***************************
+
+Adjustment invoice refers to a reversal of the previous invoice and re-issuance of the invoice potentially from a misinput of
+an information that has **already been tax declared**.
+
+#. Go to :menuselection:`Accounting --> Customers --> Invoice` and navigate and open the invoice to be replaced.
+
+#. Click :guilabel:`Credit Note` button.
+
+   .. image:: vietnam/sinvoice-rep-invoice.png
+      :alt: S-Invoice Credit Note
+
+#. Fill in the adjustement information indicated below and click :guilabel:`Reverse`.
+
+   .. image:: vietnam/sinvoice-rep-invoice-reverse.png
+      :alt: S-Invoice Reverse
+
+   .. note::
+      The :guilabel:`status` of the original invoice replaced will be updated to :guilabel:`"Adjusted"`.
+
+#. Upon successful completion of issuing an e-invoice, :guilabel:`SInvoice` tab of the invoice is updated.
+
+
+Cancel an Invoice
+*****************
+
+#. Go to :menuselection:`Accounting --> Customers --> Invoice` and navigate and open the invoice to be replaced.
+
+#. Click :guilabel:`Request Cancel`.
+
+   .. image:: vietnam/sinvoice-invoice-request-cancel.png
+      :alt: S-Invoice Request Cancel
+
+
+#. Fill in the adjustement information indicated below and click :guilabel:`Request Cancellation`.
+
+   .. image:: vietnam/sinvoice-invoice-cancel.png
+      :alt: S-Invoice Request Cancellation
+
+
+
 Add Vietnamese QR banking codes to invoices
 ===========================================