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What Is an Allowance for Bad Debt?


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    Highlights

  • An allowance for bad debt estimates uncollectible receivables to show the true value of accounts receivable
  • Lenders use it because not all receivables will be collected, requiring write-offs for defaults
  • The two main estimation methods are the sales method, based on a percentage of credit sales, and the accounts receivable method, which considers aging of debts
  • GAAP requires the allowance to accurately reflect the firm's collections history for precise financial statements
Table of Contents

What Is an Allowance for Bad Debt?

Let me explain what an allowance for bad debt is—it's a valuation account you use to estimate how much of your firm's receivables might end up uncollectible. You might also hear it called an allowance for doubtful accounts. When a borrower defaults on a loan, you reduce both this allowance account and the loan receivable balance by the book value of that loan.

How an Allowance for Bad Debt Works

You need an allowance for bad debt because the face value of your total accounts receivable isn't the amount you'll actually collect. Some portion of those receivables won't get paid. When a customer fails to pay the principal or interest on a receivable, you have to write it off completely at some point.

Methods of Estimating an Allowance for Bad Debt

There are two main ways to calculate this allowance. One bases it on sales, and the other on accounts receivable.

Sales Method

With the sales method, you estimate the bad debt allowance as a percentage of your credit sales right when they happen. For example, if your firm has $1,000,000 in credit sales and experience shows 1.5% never pay, your estimate for the allowance would be $15,000.

Accounts Receivable Method

The accounts receivable method is more advanced—it uses the aging of receivables to get better estimates. The idea is simple: the longer a debt remains unpaid, the less likely you'll collect it. You might add just 1% of initial sales to the allowance, but for receivables unpaid after 30 days, it could be 10%. After 90 days, maybe 50%, and after a year, you might write them off entirely.

Requirements for an Allowance for Bad Debt

Under generally accepted accounting principles (GAAP), the key requirement is that your allowance accurately reflects your firm's collections history. If last year $2,100 out of $100,000 in credit sales went unpaid, then 2.1% is a good estimate for this year's sales method. This is straightforward if your business has been around a while; new firms should use industry averages, rules of thumb, or data from similar businesses. Remember, an accurate estimate is essential to determine the real value of your accounts receivable.

Default Considerations

When you confirm a specific loan is in default, you reduce the allowance for doubtful accounts balance and the loan receivable balance. At that point, it's no longer just an estimate—it's a confirmed bad debt.

Adjustment Considerations

Your allowance for bad debt should always show the current balance of loans expected to default, so you adjust it over time. If you estimate $2 million of your loan balance is at risk and your allowance already has $1 million, you make an adjusting entry to bad debt expense and increase the allowance by another $1 million.

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