Help > Admin - Add identifications
From the entity details page,
Entity identifications include official identifications, like (EIN, TAN, etc). These differ basis the geographical location of entities as they follow government and industry regulations. This data appears on documents like Purchase Orders, Invoices, and so on. Each entity must have at least one identification, and default identifications are those that will always appear on documents.
Submit a verification document (see this list of options) to commence the verification process. FactWise will verify your document within (x time period)