There is a particular kind of dread that arrives about three weeks after an invoice was due. Not panic — you have other work, the money will probably come — but a low background hum that costs you more attention than the amount justifies.

The way out of it is a schedule. Not a better email, not a firmer tone: a sequence of steps with dates attached, decided before any of this happened. What follows is a workable default and the two things about it people usually get wrong.

First, check whether it is actually a refusal

Most late invoices are not disputes. They are an invoice that went to the wrong address, sat in a spam folder, or arrived the day the person who approves things went on leave. Nothing on the ladder below is worth starting until you have confirmed the invoice was received by a person who can pay it, and that they believe the work is done.

One message does this: a short note asking whether it arrived and whether anything is needed before it can be scheduled. That is not a chase. It is a question, and it makes the difference between a filing error and a refusal visible immediately — which is the fork the entire rest of this depends on.

The ladder

Decide the days in advance. That is the whole trick. Once you are irritated, “should I chase again?” becomes a question about your own nerve rather than about the account, and it gets answered badly in both directions — some people escalate too fast and some never escalate at all.

A default schedule, from due date

Bar length is elapsed time. The numbers matter less than fixing them before you need them.

DAY 1 SHORT REMINDER DAY 7 PHONE CALL DAY 14 STOP WORK DAY 30 DEMAND LETTER DAY 60 SMALL CLAIMS BRASS — ROUTINE · RUST — COSTS THE CLIENT SOMETHING
The first two steps are ordinary business and carry no accusation. From day fourteen each step costs the client something, which is exactly why they work and exactly why they should be scheduled rather than improvised.
An empty workshop in late afternoon light: a half-finished piece of furniture on a bench under a canvas dust sheet, the tools set down neatly alongside, nobody in the room.
Paused, not abandoned — and visibly so. This is the first step that changes the client’s situation rather than their inbox, which is why invoices ignored for a two weeks are so often paid the day after the work stops.

Stop work. This is the part people skip

Everything before this point is words. Stopping work is the first step that changes the client’s situation rather than their inbox, and it is remarkable how often an invoice that has been ignored for a two weeks is paid within a day of the work pausing.

It also feels the worst, which is why it gets deferred. The fear is that it escalates a relationship you would rather keep. In practice it clarifies one: a client who pays when you pause is a cashflow problem you can work with, and a client who lets the work stop and says nothing has told you something you needed to know while the exposure was still small.

Say it plainly and without heat. Work is paused pending payment of the outstanding invoice, here is the invoice again, and here is when you can restart. No accusation, no ultimatum, no explanation of how this has affected you.

Every step after the phone call costs the client something. That is not aggression; it is the only reason any of them work.

A blank white envelope sliding across a worn post office counter while a clerk tears off a small paper receipt slip.
The letter matters less than the slip. Sending it where delivery is recorded is what turns a sixth polite request into a dated timeline of five earlier ones — which is the part that carries weight if this ever reaches a hearing.

The demand letter

A formal demand letter is a plain document that says who owes what, for what, when it was due, and what happens next. It is not a legal filing and you do not need a lawyer to send one.

What it needs:

Send it so that delivery is recorded — certified mail, or email with a read receipt and a posted copy. The point is less the letter than the record: if this ends up in front of a judge, the timeline of you asking politely five times is more persuasive than anything you could write in the sixth.

Keep the tone flat. Angry letters are satisfying to write and weaker to read, and this one may be read aloud by someone who was not there.

Small claims, honestly

Small claims court is genuinely designed for this: no lawyers required, modest filing fees, a hearing rather than a trial. It is the right venue for the amounts self-employed people usually argue about.

The limits vary a great deal by state, and there is a split worth knowing. In California, you can claim up to $12,500 suing as an individual, but only $6,250 suing as a business. A sole proprietor is an individual and gets the higher ceiling; an LLC is a business and gets half. It is one of the few places where the entity you chose has an immediate, concrete consequence, and it points the opposite way from the usual advice.

Two practical notes. Winning is not collecting — a judgment is permission to pursue the money, not the money, and a defendant with nothing is a defendant with nothing whatever the judge says. And every state limits how long you have to bring a claim at all, so a debt you have been sitting on for two years may already be out of reach.

The write-off that is not there

Here is where a comforting idea falls apart, and it is worth knowing before you lean on it.

People say they will “write it off.” For most self-employed people that is not available. The IRS position is that to deduct a bad debt you must previously have included the amount in income or loaned out cash, and that a cash method taxpayer generally cannot take a bad debt deduction for unpaid fees and similar items.

Most self-employed people are on the cash method: income counts when it arrives. An invoice that was never paid was never income. There is nothing to deduct, because nothing was ever added.

The consolation is real but modest — you never paid tax on it either. A $4,000 invoice that goes unpaid costs you $4,000, not $4,000 plus the tax on it. That is genuinely better than the alternative, and it is nothing like a deduction.

If you are on the accrual method, having already counted the invoice as income, the position is different and a business bad debt deduction may be available. Most sole proprietors are not, but if you are, this is a conversation with whoever prepares your return rather than a decision to make alone.

What actually stops it happening again

Almost everything that prevents this is agreed before the work starts, which is the frustrating thing to read while you are owed money.

A deposit means a non-payer cannot get the whole job for free. Milestone billing caps how much you can be exposed to at any one moment. A late fee that was in the agreement before the work began is enforceable in a way that one invented in month two is not. And a due date written as a real date does more than any of them, for reasons the invoicing guide goes into.

What to do this week

If something is outstanding right now, do not write a better email. Write the schedule: the dates you will send the reminder, make the call, pause the work, send the demand letter and file. Put them in a calendar. Then work the schedule rather than the feeling.

And if the money never arrives, price that in properly rather than as a write-off. It is a lost fee, not a deduction, and the only thing that reliably reduces the next one is a deposit.

Questions, answered

Can I write off an unpaid invoice as a bad debt?

Usually not. The IRS says that to deduct a bad debt you must previously have included the amount in your income or loaned out your cash, and that a cash method taxpayer generally cannot take a bad debt deduction for unpaid fees and similar items. Most self-employed people are on the cash method, meaning income is counted when it arrives. If the money never arrived it was never income, so there is nothing to deduct. The consolation is real but small: you also never paid tax on it.

How long should I wait before escalating?

Decide the schedule before you need it, because the decision is much harder once you are annoyed. A workable default is a short reminder the day after the due date, a phone call at seven days, stopping work at fourteen, a formal demand letter at thirty, and filing in small claims at sixty. The exact numbers matter far less than having them fixed in advance.

How much can I sue for in small claims?

It depends on the state, and the limits differ for individuals and businesses. California allows claims up to $12,500 if you are suing as an individual and $6,250 if you are suing as a business, which means a sole proprietor can claim twice what an LLC can. Other states set very different ceilings, so check your own state’s court website before assuming.

Should I use a collection agency?

It is a reasonable last step for a debt you have written off emotionally, and it is expensive: agencies commonly take a substantial percentage of what they recover. Weigh that against small claims, where the filing fee is modest and you do the work. The honest test is whether you would rather have a fraction of the money without effort or most of it with a day of effort.

Sources

  1. Topic no. 453, Bad debt deduction — Internal Revenue Service. States that a cash method taxpayer generally cannot take a bad debt deduction for unpaid fees, and that a business bad debt is deductible only if the amount was included in gross income.
  2. The small claims process — California Courts Self Help Guide. The California limits used as the worked example: $12,500 suing as an individual, $6,250 suing as a business.
  3. Publication 334, Tax Guide for Small Business — Internal Revenue Service. The fuller treatment of business bad debts referenced by Topic 453.
  4. Self-employed individuals tax center — Internal Revenue Service. Background on cash versus accrual accounting for the self-employed.

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This is general information, not legal advice. Contract law, small claims limits and the time you have to bring a claim all vary by state, and a debt worth real money is worth an hour with an attorney before you spend a day on paperwork. The tax treatment described here is the general rule for cash method taxpayers — check your own situation with whoever prepares your return.