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# A self-employed supplier is not detected when scanning: how to fix it

If Haddock does not recognize the self-employed supplier when you upload a document, the most effective thing to do is create it manually so the system can identify it better in future scans.

1. Go to **Suppliers**.
2. Click **New supplier**.
3. Fill in at least these fields:
   - **Category**.
   - **Trade name**.
   - **NIF/CIF** (if they are self-employed, enter their DNI/NIF here).
4. Save the supplier.

If the document has already been uploaded, edit it and select that supplier manually.

Tip: the more accurate the **NIF/CIF**, the easier it will be for Haddock to assign it automatically to future documents.