A document issued to request payment for goods or services; an invoice or bill listing amounts due and payment terms.
取引先に請求書をメールで送った。
I sent the invoice to the client by email.
請求書を受け取ったら内容を確認してから支払いをしてください。
After receiving the invoice, please check its contents before making payment.
請求書の支払期限は発行日から30日後になっている。
The invoice's payment deadline is 30 days from the issue date.
A form used to request information or materials (an information-request form in certain contexts).
製品カタログ請求の請求書に住所と氏名を記入して送付した。
I filled in my name and address on the product catalog request form and mailed it.