Write off a customer bad debt in Sage 50 refers to the process of removing an outstanding invoice or balance owed by a customer from your accounts receivable. This is typically done when you have determined that the debt is uncollectible and is therefore considered a loss for your business. Writing off bad debts allows you to more accurately reflect your business's financial position and performance, Write Off a Customer Bad Debt in Sage 50 as well as help you avoid overestimating your income and underestimating your expenses.