要よう式しき

noun

formal; prescribed form

Legal term referring to a required form or procedure, often contrasted with 不要式 (informal). Used in contexts like contracts, ceremonies, or official documents.

• この契けい約やくは要よう式しき行こう為いなので、書しょ面めんが必ひつ要ようです。

  This contract is a formal act, so a written document is required.