Belgian Intrastat declarations are now checked against the official XML format before submission. This helps businesses catch formatting issues earlier and reduces the risk of rejected regulatory filings.

…idation

-task: https://www.odoo.com/web#id=35133&view_type=form&model=project.task&action=333&active_id=967&menu_id=4720

Description of the issue/feature this PR addresses:

Current behavior before PR:

Desired behavior after PR is merged:


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Belgian VAT statement exports can now include user-set values for grid 91 and client nihil declarations. This helps businesses prepare more accurate Belgian TVA filings directly from Odoo without manual adjustments outside the system.

…tatement

-task: https://www.odoo.com/web#id=35133&view_type=form&model=project.task&action=333&active_id=967&menu_id=4720

Currency rate updates now support xe.com as an additional provider, giving companies another option for automated exchange rates. The update process was also made more reliable by avoiding duplicate rates on the same day and preventing one unavailable provider from stopping updates for other companies.

See 
https://www.odoo.com/web#id=34429&view_type=form&model=project.task&action=333&active_id=967&menu_id=4720