The action that is described in this question regarding the voluntary surrender is what is called insolvency.
This is a term that is used to refer to the situation that may exist where individuals or businesses may find it difficult to pay off the debts that they owe.
To write the letter, you would have to state the reasons why she is unable to pay off the debt. Also you would have to write the new date that she can pay off what she owes.
Read more on insolvency here: https://brainly.com/question/24324784