The "Customer information" and "Supplier information" fields on the invoice upload form are reserved for B2B companies, both the buyer and the seller must have a business identifier (VAT number, SIREN, NIF, etc).
If our PDF reader (OCR) didn't correctly read the counterparty details from the invoice you uploaded, you will have to override the information manually:
Counterparty name
Country
Business identifier type (SIREN / SIRET etc)
Business identifier
To avoid any input errors, we recommend that you copy and paste the company information directly from:
https://www.pappers.fr/ for French buyers or sellers
https://www.einforma.com/ for Spanish buyers or sellers
Information is successfully pre-filled if detected by OCR
You can add a new counterparty if nothing was detected
Or modify it if any of the information detected is false or missing
