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A write-off records that you no longer expect the money. It does not release the client. How to make the decision, what you can recover in tax and VAT, and what to change afterwards.

When to Write Off an Unpaid Invoice

By Tatiana Stepanova

10 min read

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The short answer

Write it off when the expected recovery is worth less than what recovering it will cost you, in money and in attention. That point arrives earlier than most owners accept, and the delay is expensive on its own.

  1. Work out what you would realistically recover, and what pursuing it would cost.

  2. Take the last cheap step you have not taken, which is usually a phone call or a demand letter.

  3. Decide, write it down, and stop thinking about it.

  4. Record it properly in the books, because the treatment affects your tax.

  5. Change the thing that let it happen.

The decision itself is cheap. What costs money is the year spent half-pursuing an invoice, where it is neither collected nor closed and it reappears every month in your own head and your aged receivables.

Writing off is an accounting decision, not a legal one

This is the part that is most often misunderstood, and it makes the decision much easier once it is clear. Writing off a debt records that you no longer expect to collect it. It does not cancel what you are owed, and it does not release the client.

You can write an invoice off today and accept payment for it next year. If that happens, the recovery is recorded as income in the year you receive it. You can also write it off and still refer it to a collections agency, or still sue, as long as you are within the time limit that applies where you are. Those limits differ by state and country, so take advice before assuming a debt is too old.

Formally forgiving a debt is a different act, done deliberately and in writing, and it does release the client. Do not do it by accident when what you mean is that you have stopped expecting the money.

When to write it off

4 questions decide it, and only the last is emotional:

Question

Write it off when

Pursue when

How much is it?

Small against your costs to recover

Large enough to justify the effort

How good is the evidence?

The scope or sign-off is unclear

A signed contract and accepted delivery

Can they pay?

The company is insolvent or gone

They are trading and paying others

What will it cost you?

More in fees and attention than it returns

A clear route at a known price

The second row carries more weight than people expect. A well-documented $4,000 invoice is often more recoverable than a poorly documented $20,000 one, because every route above a demand letter turns on evidence. The disputed invoice you never resolved is the one that will not survive a claim.

The third row is checkable rather than a guess. A client still paying other suppliers is making a choice about you, which is worth one more direct conversation. A client that has stopped paying everybody is a different situation, and speed matters more than persuasion.

The arithmetic nobody does

Set the recovery against the cost before deciding, with honest numbers:

  • The realistic recovery, which is the invoice discounted by the chance of actually collecting it. A contested $10,000 with a fair chance is worth around $5,000, not $10,000.

  • Collections fees, typically a substantial share of whatever is recovered, and only payable on success.

  • Legal fees, which start at a few hundred dollars for a letter and rise quickly from there.

  • Court fees, which you pay in advance whatever the outcome.

  • Your own hours, at the rate you bill clients, which is the cost most owners leave out.

Run it once, properly. Plenty of invoices that feel worth fighting for turn out to be worth about a third of their face value after the discount and the fees, at which point a smaller certain outcome now is the better trade.

What you can recover in tax

Here the answer depends on your accounting method, and for a lot of small agencies it is worse than expected.

The IRS states in Topic 453 that to deduct a bad debt you must have previously included the amount in your income or loaned out your cash. The consequence follows directly: if you are a cash method taxpayer, you generally cannot take a bad debt deduction for unpaid fees and similar items, because you never reported them as income in the first place.

That surprises people, and it is worth sitting with. On the cash method there is no deduction to claim for an invoice you never collected, because the money was never taxed. The loss is real in your bank account and invisible on your return. Nothing was taken from you by the tax system; there is simply nothing left to give back.

On the accrual method the position is better, since you did report the income. The same IRS guidance treats credit sales to customers as business bad debts, and business bad debts can be deducted in full or in part, so a partially worthless debt is deductible where a nonbusiness one would have to be totally worthless. Which method you are on, and how to claim, is a question for your own accountant rather than for a blog.

The VAT you already paid

Outside the US there is often something to reclaim, because VAT is usually due when you invoice rather than when you are paid. An unpaid invoice can therefore mean you have handed over tax on money you never received.

In the EU the framework sits in Article 90 of the VAT Directive. The European Commission explains that where payment is wholly or partly withheld, the taxable amount must be reduced accordingly, subject to conditions each country sets, though member states may derogate from this in cases of partial or total non-payment. So the relief exists, and the detail is national.

In the UK the route is VAT bad debt relief. VAT Notice 700/18 requires that you have accounted for the VAT and paid it, that the debt has remained unpaid for 6 months after the later of the due date and the date of supply, and that you have written it off in your day to day VAT accounts and transferred it to a separate bad debt account. Claims run to 4 years and 6 months from the later of those dates.

Note the condition in the middle: writing it off in your accounts is a prerequisite for the relief. Leaving an invoice sitting hopefully in receivables can cost you the reclaim as well as the money.

Doing it properly in the books

Whatever the tax position, the bookkeeping matters, and it is straightforward:

  • Write the invoice off against bad debts on a specific date, rather than deleting it. Deleting destroys the record you may need.

  • Where you are claiming VAT relief, move it to a separate bad debt account as the rules require.

  • Keep the invoice, the contract, the delivery evidence and the full contact log with it.

  • Note the decision and the reason in 1 line, so the next person to look does not reopen it.

Then take it out of your aged receivables. A receivables report carrying invoices nobody expects to collect gives you a false picture of the business, which matters when you are planning around it.

The last cheap step before you do

Before writing anything off, take whatever remains on this list, because all of it is free:

  • A direct phone call to a decision-maker, which is still the step most often skipped.

  • A demand letter with a real deadline, if you have never sent one.

  • An offer of a reduced settlement, since 60% today is better than a write-off.

  • An offer of instalments, where the problem is cash rather than refusal.

The settlement offer deserves more attention than it gets. A client who cannot face the full amount will often pay a discounted figure to close it, and both sides get a resolution. Put it in writing, state that it is in full and final settlement of the invoices listed, and that it is conditional on payment by a date.

If none of that moves, compare the remaining routes in the piece on collection services before deciding the answer is zero.

Then change what let it happen

Every write-off should cost the next client something, in the sense of a term that changes. Look back at where it actually went wrong, which is rarely at the end:

  • Was there a deposit? If not, start taking one.

  • Did you check them before signing? There are public signals for most companies.

  • Did the work continue while invoices went unpaid? That is a suspension clause you did not use.

  • Was the exposure concentrated in one client? Set a limit on how much any single client can owe at once.

The credit limit is the one most small agencies have never set, and it is the cheapest of all. Decide the maximum you will let any client owe you at any moment, then treat crossing it as the trigger to stop, rather than waiting for a feeling.

FAQ

When should I write off an unpaid invoice?

When the realistic recovery, discounted by the chance of collecting, is worth less than the fees, court costs and your own hours needed to pursue it. Take the free steps first, then decide once and stop revisiting it.

Does writing off an invoice mean I can no longer collect it?

No. A write-off records that you do not expect the money. The client still owes it, you can still pursue it within the applicable time limit, and if it is paid later you record the recovery as income. Formally forgiving a debt is a separate, deliberate act.

Can I deduct an unpaid invoice from my taxes?

It depends on your accounting method. The IRS requires that you previously included the amount in income, so cash method taxpayers generally cannot deduct unpaid fees. Accrual method taxpayers reported the income and can generally claim a business bad debt, in full or in part. Ask your accountant about your own position.

Can I reclaim VAT on an invoice that was never paid?

In the EU and the UK, usually yes, subject to national conditions. The UK route requires the debt to be 6 months overdue and written off in your VAT accounts. This is one reason to write off properly rather than leaving the invoice in receivables.

Should I accept a partial settlement instead?

Frequently yes. A discounted amount received now often beats the discounted value of a contested full amount later. Put it in writing as full and final settlement of the listed invoices, conditional on payment by a stated date.

How long should I wait before writing an invoice off?

There is no fixed period, and the answer follows the evidence rather than the calendar. Once the free routes are exhausted and the paid routes cost more than the likely recovery, waiting longer adds nothing except the chance of passing a legal time limit.

Not legal, accounting or tax advice. Bad debt relief, VAT recovery and limitation periods depend on your country, your entity and your accounting method — confirm your position with a qualified adviser before acting.

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