SamBoat, as an intermediary, is not authorised to issue invoices. We can only provide you with proof of payment.
You can find this receipt in your SamBoat space My account > My payments > My expenses.
Private owners do not have the right to issue invoices. Only professional rental companies are entitled to issue an invoice (article L443-1 of the French Commercial Code). Professionals can be identified by the "PRO" logo in black and white on the advertisement page, or directly via the "Professional" filter on the search page.