NIF_ALREADY_REGISTERED

Status: 409 Conflict

What it means

Another client already has this tax number, and a tax number can only be used once.

What to do

Search for the client with this number, as it may already be registered. If not, check the number you typed.

Example of the answer

The API answers with this JSON (title and detail change with the situation and the language):

{
  "type": "https://docs.mbtcompany.eu/errors/nif-already-registered",
  "title": "Conflict",
  "status": 409,
  "detail": "Another client already has this tax number, and a tax number can only be used once.",
  "code": "NIF_ALREADY_REGISTERED"
}