noun
letter of acceptance; letter of consent
A formal written document expressing acceptance or consent, often used in legal, business, or official contexts.
契約書と一緒に承諾書も提出してください。
Please submit the letter of consent along with the contract.
承諾書に署名と捺印をお願いします。
Please sign and seal the letter of acceptance.
Compound of 承諾 (acceptance, consent) and 書 (document, writing).