Order and customer
Use an authorized reference; check organization and environment.
Match invoices with orders, payment references and delivery state; downloads depend on the issuing system.
Reference workflow. Live state names, pricing, payment methods and issuance conditions require service confirmation.
Use an authorized reference; check organization and environment.
Match payment with the corresponding order and invoice.
Status, PDF/XML and download rights depend on the deployed backend.
Check the reference, organization, access and update time. Absence from one interface does not prove non-issuance. Reconcile when systems disagree.