A set off is when a creditor takes money out of your bank account because you missed one or more payments on a debt you owe them. Set offs that happened in the 90 days before your bankruptcy filing are listed on your Form 107 - Statement of Financial Affairs in response to Question 11.
For more, check out this article in our Learning Center: What's a set off and why does the court want to know about it?
A charge-off is when a creditor moves a past due debt into a new category in their internal accounting system. This is done for tax purposes and often goes hand in hand with selling or transferring the debt to a collection agency or debt collector. Even though you have to list the collection agency or debt collector on your bankruptcy forms, a charge off is not listed.
A charge-off does not eliminate the debt. For more, check out these two articles in our Learning Center: