念ねん書しょ

noun

written pledge; memorandum; signed assurance

A formal written document in which one party promises or confirms something, often used in legal, business, or official contexts. Can range from a simple signed note to a more formal instrument.

• 契けい約やくの前まえに、念ねん書しょを交かわしておきましょう。

  Let's exchange a written pledge before the contract.

• 彼かれは借しゃっ金きんの念ねん書しょを書かかされた。

  He was made to write a memorandum of the debt.