完かん全ぜん予よ約やく制せい

noun

reservations-only system; by-appointment-only system

Used for businesses, services, or events that require advance booking and do not accept walk-ins.

• このレストランは完かん全ぜん予よ約やく制せいです。

  This restaurant operates on a reservations-only basis.

• 完かん全ぜん予よ約やく制せいのため、当とう日じつの受うけ付つけは行おこなっておりません。

  Because it is by appointment only, we do not accept same-day visits.