This update integrates Viettel SInvoice, a key requirement for Vietnamese e-invoicing, directly into the Point of Sale (PoS) module. It allows businesses to automatically generate and attach the necessary electronic invoices, streamlining compliance with Vietnamese regulations. The changes include improvements to currency calculations to ensure accurate invoice data.

Add Viettel SInvoice integration with the Point of Sale module to support PoS e-invoicing for the Vietnamese market.

task-4844619

Forward-Port-Of: odoo/odoo#245672