しはらいび
payment date; date of payment
Also written 支払い日
Noun
手形てがたは来月らいげつ1日いちにちが支払日しはらいびになっている。
The bill is due on the 1st of next month.
お支払日しはらいびが先月せんげつ末まつの請求書せいきゅうしょ56789について、まだお支払しはらいを受うけておりません。
With reference to the invoice No.56789 which was due last month, we have not yet received your remittance.