Odoo-18.0-20251222/sale_invoice_frequency/readme/USAGE.md

To use this module, you need to:

1. Go to Sales/Configuration/Invoicing frequency and create your custom frequencies.
2. Set these frequencies in the customer form Invoicing tab.
3. When a sale is created, the Invoicing frequency of the field partner_id is propagated.
4. An user can change Invoicing frequency on sales and customers if has group account.group_account_invoice.
5. You can change Invoicing frequency on a sale on the Other information tab without changing the customer frequency.
6. When you want to invoice, group sales by Invoicing frequency and invoice it.
7. You can create a CRON for each frequency to automate invoicing action.