ErrorsAll codes
OSS_REGIME_INCOMPATIBLE_WITH_ISP
OSS/IOSS regime (key 17) is incompatible with reverse charge. The destination-country VAT is declared separately (Modelo 369), not as S2
Category: Invoices
Example response
When this error occurs, the API returns a JSON response with the following shape:
{
"type": "https://docs.beel.es/errors/OSS_REGIME_INCOMPATIBLE_WITH_ISP",
"title": "OSS_REGIME_INCOMPATIBLE_WITH_ISP",
"detail": "OSS/IOSS regime (key 17) is incompatible with reverse charge. The destination-country VAT is declared separately (Modelo 369), not as S2",
"instance": "/v1/<resource>",
"errors": [],
"success": false,
"error": {
"code": "OSS_REGIME_INCOMPATIBLE_WITH_ISP",
"message": "OSS/IOSS regime (key 17) is incompatible with reverse charge. The destination-country VAT is declared separately (Modelo 369), not as S2",
"details": {}
},
"meta": {
"timestamp": "2026-05-21T10:00:00Z",
"request_id": "4bf92f3577b34da6a3ce929d0e0e4736"
}
}The type URI is stable and always resolves to this page.
Message
OSS/IOSS regime (key 17) is incompatible with reverse charge. The destination-country VAT is declared separately (Modelo 369), not as S2
El régimen OSS/IOSS (clave 17) es incompatible con inversión del sujeto pasivo. El IVA del país destino se declara aparte (Modelo 369), no como S2
El règim OSS/IOSS (clau 17) és incompatible amb inversió del subjecte passiu. L''IVA del país de destinació es declara apart (Model 369), no com a S2
Send the request with Accept-Language: <es|en|ca> to receive the message in your preferred language.
Other errors in this category
BULK_PDF_ERROR
Error processing bulk PDF download
CANCELLATION_VIA_SPECIFIC_ENDPOINT
To cancel an invoice use the specific cancellation endpoint
CANNOT_DUPLICATE_DELETED_INVOICE
Cannot duplicate a deleted invoice
CLIENT_NOT_FOUND
Customer not found: {0}
DELETION_FAILED
Error deleting the invoice