APA is only for crewed yachts charter, mainly in Med. Opposite to the Caribbean terms (all inclusive)
APA (Advance Provisioning Allowance); is an advance to the crew for provisioning, beverages, transfers, communications, excursions, moorings and marina and more generally all that is not specified as included; generally 20% of the charter fee on sailing yachts, it can be less depending on pax number on board or more upon client's request
During and at the end of the cruise, a breakdown is made by the captain, showed and signed by the client : if expenses are less than advance, a refund is made; if not, an additional invoice is created.
non commissionable