Do I have to warn a customer before collections?
For business debts there is usually no general legal duty to warn a customer before collections, but your contract may require notice and a final warning often gets paid. Send a dated final notice by a method you can prove, such as email plus certified mail, naming a deadline and the next step.
Why warn a customer before collections?
A clear final warning gives the customer one last chance, creates a record that you tried to resolve it, and often prompts payment. Check your contract for any notice clause.
Can I send a demand letter by email, or does it need certified mail?
Email is usually fine unless your contract requires a specific notice method. Many businesses send both: email for speed and certified mail for proof of delivery.
Does threatening collections actually get customers to pay?
A firm, truthful notice that you will refer the account often does, because a third party changes the dynamic[source]. Only state steps you intend to take.
Do I need to tell my customer I’ve hired a collection agency?
Not usually; the agency will contact them. Stop your own collection contact once the account is placed and refer any payment or call to the agency.
General information, not legal advice. Laws vary by state and situation; ask a licensed attorney about yours.
Related answers
How to write a payment demand letter · When to send an invoice to collections
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Frequently asked questions
Should my final notice name the agency?
It doesn’t have to. Saying the account will be referred to a collection agency or attorney is enough.
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Sources: IACC, “Commercial Collection Guidelines for Credit Grantors” (2018); 15 U.S.C. § 1692a (FDCPA definitions), via Cornell LII (accessed Oct 18, 2026).
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