You borrowed some books from your school or college library. Unfortunately you have to go away to visit a sick relative and cannot return the books in time.
Write a letter to the library. Explain what has happened and tell them what you want to do about it.
You have had a bank account for a few years. Recently you received a letter from the bank stating that your account is $240 overdrawn and that you will be charged $70 which will be taken directly from your account. You know that this information is incorrect.
Write a letter to the bank. Explain what has happened and say what you would like them to do about it.