副ふく署しょ

noun, noun or participle which takes 'suru', intransitive verb

countersignature; countersigning

Refers to the act of signing a document to confirm or authenticate another signature, often in official or legal contexts. Can be used as a noun or as a suru-verb.

• 契けい約やく書しょには社しゃ長ちょうの署しょ名めいと副ふく署しょが必ひつ要ようです。

  The contract requires the president's signature and a countersignature.

• 申しん請せい書