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Accounting & Finance Business Letter

Commercial Past-Due Collection Letter Templates (30, 60, 90 Days)

Professional, escalating collection letters to recover unpaid invoices without alienating client relationships.

Tim Yoder, CPA
Tim Yoder, CPA CPA Certified
Certified Public Accountant & Accounting Editor
Reviewed By Robie Ann Ferrer
Fact-Checked Oct 5, 2026

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Document Type: Business Letter
COMMERCIAL PAST-DUE COLLECTION LETTER TEMPLATES (30, 60, 90 DAYS)
Confidential Business Record • BizGuide Review Standard Form
FORM V-2.4
Employee Name: [ John Doe ]
Department / Title: [ Operations Associate ]
Supervisor: [ Jane Smith, Manager ]
Date of Incident: [ MM / DD / YYYY ]
Notice & Statement of Facts:

Detailed documentation of events, specific policy sections breached, and required corrective milestones...

Employee Signature: __________________
Date: ____________

Recover Aging Accounts Receivable Professionally

Unpaid invoices can choke a small business's cash flow. Using a progressive three-tier collection letter series ensures you remind clients politely at 30 days, firmly at 60 days, and formally notify them of collections or legal action at 90 days.

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Frequently Asked Questions

Send a gentle reminder between 1 to 5 days after the invoice due date, followed by an official 30-day past-due letter if payment is still not received.
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About The Author
Tim Yoder, CPA

Tim Yoder, CPA

CPA Certified

Tim is a licensed CPA with over 25 years of experience advising small business owners on bookkeeping, tax filing, and cash flow management.

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