There is no universal “right time” to send an account to collections. However, there are clear signals and practical timeframes that indicate when overdue balance has transitioned from delinquent to bad debt, and is having a negative impact on your business instead of benefiting it.

Accounts receivable (AR) collections is a balancing act. You might increase sales by giving your clients extra time to pay, but providing too much time can result in losses that hurt your bottom line.

The decision to escalate is part instinct (that gut feeling something’s off), part adherence to your credit policy (you do have one, right?), and mostly about paying attention. Timing matters—not just to improve your chances of recovery, but to keep your team focused on business, not chasing down payments.

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The 90-Day Rule of Thumb (and Its Exceptions)

The key, at 90 days, is more about the customer and your collection process than the calendar.  Remember, Accounts Receivable collections before debt collection. If you’ve done your job and the customer is unresponsive or worse, evasive, you have a problem.  But that doesn’t mean it’s instantly time to send it to a collection agency.

Before You Send It Out

The best way to lose a customer is to send them to collections too soon. The best way to lose money is to send them too late. Sending an account to collections should not be your first course of action. Exhaust your internal efforts first, consistently and professionally.

Start with a clear, consistent reminder schedule:

• Email notices at 7, 14, and 30 days past due
• Phone follow-ups no less than weekly

With each contact, increase the tone and urgency. If appropriate, offer options like payment plans, partial settlements, and a firm deadline for resolution. And most importantly, document everything.

Your final step should be a formal written warning, in the form of a final demand letter, which clearly states the balance owed, the deadline, and the consequence—sending the account to collections if not resolved.

Accounts Receivable Collections & Your Aging

Your AR aging report is more than just a list of who owes you; it’s a key component of your early warning system. When used correctly, it informs your collections process and tells you where to focus your efforts to prevent having to send an account to collections.

Here are some tips on how to use it. For a deeper dive, read our AR Best Practices article and/or part 3 of our bad debt prevention series, Your Aging Report – A Beginner’s Guide.

Review Your AR Aging Often

Don’t wait for month-end or when the cash gets tight. A weekly review is the very minimum. Look for accounts that exceed your terms by 10 to 15 days. Send late notices via email and schedule a follow-up in your CRM.

Color Code or Flag High-Risk Accounts

Use visual cues to quickly identify potential issues. Assign colors or flags in your CRM to highlight accounts based on behavior, not just age.

For example, a customer with a delinquency in the 31–60 day range but with no communication may be a higher risk than one at 90+ days with a signed payment plan. Tag unresponsive debtors or customers to help prioritize your work quickly.

Create a Follow-Up System

In AR collections, having a system for following up isn’t just a good idea—it’s essential. The amount of time spent chasing overdue accounts quickly adds up. Without a system to document your actions and track follow-up, much of that effort gets lost, leading to duplicate work, missed deadlines, and unpaid invoices.

Your aging report should feed into your action calendar:

• Who gets an email today?
• Who gets a call this week?

Automation helps, but what matters most is having a consistent routine—and knowing when it’s time for a human touch. A well-timed call from someone who knows how to listen and remain firm can shift the entire dynamic. When systems fall short, it’s the person on the other end who makes the difference.

How to Write a Final Demand Letter

A final demand letter is your last shot at voluntary resolution. It should be clear, firm, and leave no doubt about the next step. Here’s what to include:

A Direct Subject Line

Avoid vague subject lines. Be explicit. If the customer is ignoring you, subtlety won’t help.

Example: “Final Notice Before Collections – [Invoice #1234]”

A Brief Recap of the Debt

Spell out the facts—dates, amounts, and actions taken.

“Our records show Invoice #1234 in the amount of $2,975 remains unpaid, despite multiple reminders. The due date was March 15, 2025. It is now more than 60 days overdue.”

A Deadline

Deadlines clarify urgency and show you’re not bluffing.

“If we do not receive full payment by Friday, August 2, 2025, we will proceed with turning the account over to a collections agency without further notice.”

The Consequences

Explain what collections might mean: additional fees, credit reporting, or legal escalation. Keep it factual, not threatening.

“If we do not receive payment by August 15, we will proceed with referring your account to a third-party collection agency. This may result in additional collection fees and could impact your credit rating. To avoid this, please remit payment or contact us to discuss resolution by the deadline noted above.” or

“If we do not receive payment by August 15, we will refer your account to a third-party collection agency. This may result in additional fees and could impact your credit score. If you want to avoid escalation but you’re unable to pay in full, please contact us before that date to discuss possible arrangements, such as smaller payments

Offering to work with someone—even when they’re behind—is often more effective than threats or legal jargon. A calm, professional message that acknowledges their situation and invites a conversation can go much further, especially when the issue involves sensitive matters like medical bills or other outstanding debts. Letting them know there’s still time to resolve the balance before it affects their credit report keeps the door open—and keeps the pressure real without being hostile.

Contact Instructions

End with a clear call to action:

“To avoid collections or possible legal action, contact us before [date]. We can be reached at [phone number with extension] between the hours of [open time] and [closing time]. We are closed for lunch from [time to time].

We accept multiple forms of payment and are willing to work with you, but it’s important you reach out before the deadline. Or you can make payment here [creditor’s payment link].

Clear, accessible contact details and a firm deadline give the recipient everything they need to act. Keep the tone direct but professional, and make it as easy as possible for them to pay or call and make arrangements.

What About the FDCPA?

The Fair Debt Collection Practices Act (FDCPA) is a federal law that governs how third-party agencies may attempt to collect consumer debts. It applies to collection agencies—not to the original creditor—though businesses should still understand how it works. Once a collection account is assigned or sold, the rules shift significantly.

As the original creditor, you’re not bound by the FDCPA in the same way a licensed agency is. But if you escalate the account to a third-party collector, they must follow strict guidelines regarding contact times, disclosure, harassment, and verification of the original debt. Staying informed about compliant debt collection practices can help you choose the right agency.

It’s also smart to consider the customer’s experience. Even when you’re within your rights to collect, a respectful tone and a clear process can reduce disputes and improve recovery. Whether you’re handling follow-up yourself or planning to escalate, understanding the FDCPA ensures that your collection efforts—direct or outsourced—stay effective and professional.

💡 Tip: Want to Understand the FDCPA in Plain Terms?

If you’re considering escalating an account or hiring an agency, it’s a good idea to know the basics of the Fair Debt Collection Practices Act.
You can read a summary directly from the FTC here: https://www.consumer.ftc.gov/articles/fair-debt-collection-practices-act

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