事前 じぜん予約 よやく不要 ふようではありません
jizen'yoyaku fuyōdewārimasen

Noun
Desu Copula
no-Adjective
Negation Auxiliary

The polite negative form of 事前予約不要

1. Not unnecessary to make a prior reservation.; A prior reservation is not unnecessary.; Prior reservation is required.

Negative
Polite
Formal Register