遅ち滞たいなく

expression, adverb

without delay; promptly; immediately

Formal adverbial phrase used in official, legal, or business contexts to indicate that an action should be taken without any delay. Often found in written instructions or regulations.

• 契けい約やく書しょに署しょ名めいの上うえ、遅ち滞たいなくご返へん送そうください。

  Please sign the contract and return it without delay.

• 問もん題だいが発はっ生せいした場ば合あいは、遅ち滞たいなく上じょう司しに報ほう告こくすること。

  If a problem occurs, report it to your supervisor promptly.