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LaurentC

Hello,


I'm new to the odoo v18 community version, and I'm looking for a specific Invoice numbering sequence. I tried to modify the sales.order sequence via the Technical/Sequence menu. On creation (Sales/New Quotation) the number is created using the new sequence definition. But when I confirm this order and create an invoice (Create Invoice from Quotation page) the invoice number is not based on the new sequence. Similarly, if I go directly to the Invoicing module, the invoice number remains INV/year/number.

How can I modify or create/assign a sequence to the invoice number?


Regards

Laurent

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LaurentC
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Hi Thoufeer,

Thank you, I will try that module. 

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Cybrosys Techno Solutions Pvt.Ltd
Best Answer

Hi,


Invoices are based on the account.move model (with type = 'out_invoice' for customer invoices).

Their numbering is controlled by the journal’s sequence, not the sales order or a global setting.


Steps to Customize Invoice Sequence

1- Enable Developer Mode

               * Go to Settings → Activate Developer Mode


2- Go to Accounting → Configuration → Journals

              * Open the Sales Journal (usually named “Customer Invoices”)

3- Check the “Sequence” field

             * Scroll to Advanced Settings

             * Click the linked sequence under “Next Number” or “Sequence”


4- Edit the Sequence Settings

             * Change the Prefix (e.g. INV/%(year)s/)

             * Change Padding (e.g. 5 digits → 00001)

              * Modify Next Number

5- Save and test by creating a new invoice.


Eg:


If you want invoice numbers like:

FAC/2025/00001


Set the sequence:

    Prefix: FAC/%(year)s/

    Padding: 5

    Next Number: 1

For more information:-


- https://www.youtube.com/watch?v=4DovbBdVkjI

- https://www.odoo.com/documentation/18.0/applications/finance/accounting/customer_invoices/sequence.html

- https://www.odoo.com/sl_SI/forum/pomoc-1/changing-invoice-number-sequence-in-odoo-16-214660


Hope it helps

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Thoufeer
Best Answer

Hi LaurentC,

Please try this Module: https://apps.odoo.com/apps/modules/18.0/account_move_name_sequence

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