Different invoice lines may have different treatment
A delivered order can combine food intended for immediate consumption, packaged products suitable for storage and drinks. French VAT treatment may vary with the nature of the sale, while transport and additional services require appropriate classification. Several categories on an invoice should therefore be examined item by item rather than dismissed as an error because one assumed rate was expected.
Ask the identified seller to explain the breakdown
Customers should compare tax-inclusive totals and request an explanation when the figures do not reconcile. Businesses need guidance appropriate to their own activity from the relevant tax authority. French treatment should not be carried across automatically to Belgium or Switzerland. For catering, establish whether the quote covers food alone or also staff, equipment and table service.