POS Combo Tax
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Odoo 19 | Custom Addon

Author: Suherdy Yacob

This module applies sales tax on the combo product itself in POS instead of child lines.

Features
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- Shifts pricing and tax computations to the parent combo product order line.
- Sets child combo line unit prices and taxes to zero.
- Modifies backend invoicing logic to prevent invoicing parent combo line as a section line if it has a price.
- Correctly computes margin for the combo product parent line.
- Unhides the Customer Taxes field on the combo product form so taxes can be configured directly on the combo menu.