Write a letter on extension of the payment date for the buyer after reading the following letter.

  买方迟付货款，卖方催款

  Dear Sirs,

  The goods under your Order No．10081 was sent to you on June 1, and the relevant invoice was also airmailed to you on June 2, while the payment was due on July 2．We have to remind you that the payment for your order has due more than one month form the date of the invoice.

  Please fax us (Please advise us by fax) upon remittance.