How to write the slogan of supermarket reminder notice

Letter about paying the arrears as soon as possible XXX (the name of the other party's company) and X (the last name of the other party's boss) general manager (or job title); I am now writing to your company as follows regarding your company's default in arrears of XX payment to our company. : On the day of , the balance was paid before X, month, XX, XX. Your company also paid part of the payment on X, month, X, XX, but since X, month, X, XX, your company has not paid any more as agreed. Currently, the total amount owed is XX yuan. It is obviously a breach of contract. In view of the good cooperative relationship between the two parties, we are hereby writing to ask your company to pay the amount owed to our company before If your company pursues interest on the arrears or even takes relevant legal measures, your company may have to bear greater losses caused by litigation. Sincerely, XXXXXX company year month day