account_avatax_sale_oca

Purpose

Integrates Odoo sales orders with Avalara AvaTax to compute and manage taxes directly from Avalara.

Features

sale.order: Enriches tax computations with Avatax context and applies returned tax amounts to order totals.
sale.order: Auto-populates exemption codes and related fields based on delivery addresses and carries them to invoices.
sale.order: Detects relevant changes to partners, addresses, warehouses, or lines and reruns Avatax tax calculation on save when enabled.
sale.order: Validates customer addresses before confirmation when required and triggers Avatax recalculation during confirmation.
sale.order.line: Prepares Avatax request payloads with item codes, discounts, and tax codes, and stores Avatax tax amounts per line.
account.tax: Replaces computed tax amounts with Avatax values during total calculation when available.
account.move: Toggles the tax-on-shipping flag automatically when the shipping partner changes on invoices.
avalara.salestax: Adds configuration flags to use invoice partner codes, auto-calculate sale taxes on save, and override existing line taxes.