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Bad debt expense vs write-off

Bad debt expense is the cost of expected credit losses booked when the allowance is built; a write-off removes a specific invoice from receivables against that allowance and does not touch the P&L.

Each, defined

Bad debt expense

Bad debt expense — The P&L charge that builds the allowance for credit losses — the provision, not the write-off.

Bad debt expense in the glossary

Write-off

Write-off — Removing an uncollectible receivable against the allowance for credit losses — under the allowance method it has no P&L effect; the expense was taken in the provision.

Write-off in the glossary

Side by side

Bad debt expense and Write-off compared
Bad debt expenseWrite-off
What it isAn estimate across receivablesA specific uncollectible invoice
P&L effectYesNo (allowance method)
Account creditedAllowance for credit lossesAccounts receivable

Two entries, one loss

An aging of $128,000 requires a $7,700 allowance; topping it up from $2,500 is $5,200 of bad debt expense. Writing off a $3,200 invoice later uses the allowance and leaves net receivables, $120,300, unchanged.

Two entries, one loss
Bad debt expenseWrite-off
EntryDebit credit loss expense, credit allowanceDebit allowance, credit receivable
Hits the P&LYesNo
Changes net receivablesYes — reduces themNo
TimingEach period-end, from the agingWhen an invoice is uncollectible

How they relate

Under the allowance method the loss is recognized before anyone knows which customer will not pay, as an estimate across the receivables. The write-off later names the customer and uses up that estimate.

The direct write-off method collapses the two into one entry at write-off. It is required for US tax but acceptable under GAAP only when the difference is immaterial.

Questions

Does a write-off create an expense?
Only under the direct write-off method. Under the allowance method, the expense was recognized when the allowance was built.
What if a written-off customer pays?
Reinstate the receivable and allowance, then record the cash.

See it computed

Worked through: the calculators, the journal entries and the tools that use these terms.

Definitions are the glossary’s, generated from the same documents. Figures in the examples are computed by tested functions, not typed. General information for US companies under US GAAP, not accounting or tax advice.

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