EXCHANGE_SIMPLIFIED_NOT_YET_ACCEPTED

When it happens

The exchange invoice is recorded with VeriFactu as F3, which only replaces simplified invoices the AEAT has accepted, and the record of one of simplified_invoice_ids is still pending. Nothing is issued.

How to fix it

Wait until that simplified invoice's record is accepted (verifactu.submission_status reads ACCEPTED, or the verifactu.status.updated webhook tells you), then send the exchange again.

Retry

Retry the same request unchanged, with the same Idempotency-Key if you sent one. Wait first, and honour the Retry-After header when the response carries it.

Returned by

The operations where this code is most likely. The list is not exhaustive.

• POST /v1/companies/{company_id}/invoices/simplified-exchanges

Rules that cite this code

• SIM-007 Exchanging a simplified invoice for a full one

Example response

When this error occurs, the API answers 422 Unprocessable Content with a JSON body of this shape:

{
  "type": "https://docs.beel.es/errors/EXCHANGE_SIMPLIFIED_NOT_YET_ACCEPTED",
  "title": "EXCHANGE_SIMPLIFIED_NOT_YET_ACCEPTED",
  "detail": "The record of simplified invoice ‹invoice_number› is not accepted by AEAT yet: wait until it is accepted and try the exchange again. Nothing was issued.",
  "instance": "/v1/<resource>",
  "errors": [],
  "success": false,
  "error": {
    "code": "EXCHANGE_SIMPLIFIED_NOT_YET_ACCEPTED",
    "message": "The record of simplified invoice ‹invoice_number› is not accepted by AEAT yet: wait until it is accepted and try the exchange again. Nothing was issued.",
    "details": {}
  },
  "meta": {
    "timestamp": "2026-05-21T10:00:00Z",
    "request_id": "4bf92f3577b34da6a3ce929d0e0e4736"
  }
}

The type URI is stable and always resolves to this page.

Message

Send the request with Accept-Language: <es|en|ca> to receive the message in your preferred language.

Placeholders are filled in at runtime:

• ‹invoice_number› — the number of the simplified invoice, for example T-2026-0042.

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