How to write a reminder?

Mr. (Ms.):

Hello!

According to _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

), which has caused serious breach of contract, our company will terminate the contract with you and ask you to bear the liability for breach of contract at one time. Otherwise, our company will recover all losses, and our company will take measures such as _ _ _ _ after the above-mentioned date expires, and will resort to all legal means to recover the arrears. At that time, you will not only fulfill the above repayment obligations according to law, but also bear all expenses related to this case, such as attorney's fees, attorney's fees, travel expenses, etc. Please treat this matter with caution to avoid litigation.

I am writing this letter!

_ _ _ _ _ _ company

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