This update improves the export of Spanish tax reports (modelo 347) to comply with recent regulations outlined in BOE-A-2025-25390. The changes address a requirement to include subsidy numbers, which are currently populated with six zeros as a placeholder. This ensures accurate reporting for Spanish tax filings.

reference: https://www.boe.es/buscar/doc.php?id=BOE-A-2025-25390 considering the modelo 347

As we do not have anything for the subsidy number, we just put 6 0s.

opw-5926624

Forward-Port-Of: odoo/enterprise#107125