A dispute with no evidence
An assertion without proof isn't yet a dispute — ask for the evidence, set a deadline, and keep the invoice live while you wait.
What this scenario teaches
- Treat an unevidenced claim as unproven, not established
- Request specific evidence with a clear deadline
- Tell a genuine claim awaiting proof from an empty assertion
- Keep the invoice live while evidence is outstanding
- Escalate fairly when no evidence ever arrives
6 min read
The scenario
A customer raises a dispute but offers nothing to back it — no document, no photo, no detail, just the assertion that something's wrong and they won't pay. "It wasn't right," "that's not what we agreed," "we had a problem with it," with nothing behind the words. The claim might be true, but as it stands it's unproven, and the invoice is being withheld on the strength of a sentence.
The principle is straightforward: an assertion isn't evidence. A genuine dispute can usually produce something; an empty one can't. Asking for proof — politely, on a deadline — is how you tell which you're dealing with without accusing anyone of anything.
What's really going on
Some unevidenced disputes are genuine but simply haven't been substantiated yet — the customer has a real issue and just hasn't gathered the proof. Others are hollow: a vague claim with nothing behind it, raised to delay or to avoid payment, which evaporates the moment specifics are requested.
You can't tell them apart from the words alone, and that's the point. A request for evidence is the neutral test that distinguishes them. A genuine claimant responds with the document, the photo, the detail. A hollow one offers more assertion, deflection, or silence. Until evidence arrives, the claim is unproven and your invoice remains owing — withholding payment on an unsubstantiated say-so isn't justified.
Your options
Put the burden where it belongs and keep moving:
- Request specific evidence. Ask exactly what's wrong and for the proof — a photo, a document, a date — to be sent by a stated deadline.
- Keep the invoice live. Make clear that, absent evidence, the invoice stands and remains due.
- Assess what arrives. If real proof comes in, treat it as a genuine dispute and resolve it on the facts.
- Escalate if nothing comes. If the deadline passes with no evidence, proceed with collection on your normal cadence.
Recommended approach
Respond fairly but firmly: "I want to look into this properly — can you send me the specifics and any supporting evidence by [date]? Once I have it, I'll assess it straight away. In the meantime the invoice remains due." This is even-handed: it takes the claim seriously, gives a genuine claimant every chance, and quietly puts the onus on the customer to substantiate.
If solid evidence arrives, switch into genuine-dispute mode and resolve it on its merits. If the deadline passes with nothing — as hollow disputes tend to — proceed with collection, noting that the claim was raised and unsupported. Throughout, don't let an unevidenced assertion freeze the debt; the invoice stays live until something real challenges it. Our note on handling stalls and excuses covers requesting proof, and knowing when to escalate sets the cut-off.
What to avoid
Don't accept a bare assertion as a settled dispute — unproven is not the same as established, and treating it as fact freezes a debt that may be perfectly owed. Don't accuse the customer of inventing it either; the neutral request for evidence does the work without provoking a fight. Avoid open-ended waiting with no deadline — that hands a hollow dispute the delay it wanted. And don't drop the invoice from your cadence; it stays live and due until real evidence challenges it.
The lesson
- An unevidenced assertion is unproven, not established — it doesn't justify withholding payment.
- Request specific evidence on a clear deadline; that neutral test separates genuine from hollow claims.
- Keep the invoice live and due while evidence is outstanding.
- If proof arrives, resolve on the facts; if the deadline passes with nothing, escalate on your normal cadence.
Frequently asked questions
Do I have to accept a dispute with no evidence?
No. An assertion isn't evidence. Request specific proof on a deadline and keep the invoice due — an unsubstantiated claim doesn't justify withholding payment.
How do I ask for evidence without causing offence?
Frame it as wanting to investigate properly: ask for the specifics and supporting proof by a stated date so you can assess it. It's neutral and gives a genuine claimant every chance.
What if no evidence ever arrives?
Proceed with collection on your normal cadence, noting the claim was raised and unsupported. Hollow disputes typically go quiet once specifics are requested.
Real situations, the right call
When an account goes past talking, Merion recovers it — commission-only, no upfront fee.