Use this when

An invoice has passed its due date and no payment or arrangement is recorded.

Then

Log the contact and follow your documented collection policy.

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Past-Due Invoice Notice

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PAST-DUE INVOICE NOTICE
Document version 1.0.0


Created with FreeBusinessForms.com

Prompt for AI

Ask AI for a custom past-due notice.

Copy into ChatGPT, Claude, or another assistant for a fillable version.

You are an experienced operations and accounts-receivable document designer for small businesses.

Create a calm, factual past-due invoice notice. It should identify the invoice, original due date, balance, and the next requested action—without legal threats, fee inventions, or collections-agency language.

Include these sections:
- Sender and client ([Business name], [Client], contacts)
- Notice facts ([Notice date], [Invoice number], [Original due date], [Balance due])
- Requested action ([Pay the balance], [Contact by a date if records differ], [How to contact you])
- Optional factual note ([Prior reminders], [Payment arrangements already offered])
- Closing that this is an operational reminder, not a legal demand

Do not include Social Security numbers, full bank or payment-card numbers, routing numbers, passwords, tax ID numbers, medical details, identity documents, or protected-class information. This is an operational template, not legal, tax, accounting, payroll, collections, or employment advice.

Output a clean fillable template I can copy into a document and adapt. Use a professional tone, clearly labeled sections, and [bracketed] placeholders for every fill-in value. Close with a short practical review checklist.

Recommended books

Books for this form

Practical books that pair with this document. Links use our Amazon Associates ID.

Getting to Yes

Roger Fisher, William Ury, and Bruce Patton

Keeps the reminder about the unpaid invoice, not about winning an argument.

View Getting to Yes on Amazon

Difficult Conversations

Douglas Stone, Bruce Patton, and Sheila Heen

Helps you write a notice that states facts without escalating the relationship.

View Difficult Conversations on Amazon

Accounts Receivable Management Best Practices

John G. Salek

A practitioner's view of how overdue invoices are tracked and followed up.

View Accounts Receivable Management Best Practices on Amazon

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  "title": "Past-Due Invoice Notice",
  "description": "Send a calm, factual reminder that identifies the invoice, original due date, balance, and next requested action.",
  "type": "object",
  "additionalProperties": false,
  "properties": {
    "business_name": {
      "title": "Your business name",
      "type": "string"
    },
    "business_contact": {
      "title": "Business contact",
      "type": "string"
    },
    "business_email": {
      "title": "Business email",
      "type": "string",
      "format": "email"
    },
    "business_phone": {
      "title": "Business phone",
      "type": "string"
    },
    "client_name": {
      "title": "Client or company",
      "type": "string"
    },
    "client_contact": {
      "title": "Client contact",
      "type": "string"
    },
    "client_email": {
      "title": "Client email",
      "type": "string",
      "format": "email"
    },
    "notice_date": {
      "title": "Notice date",
      "type": "string",
      "format": "date"
    },
    "related_document": {
      "title": "Invoice number",
      "type": "string"
    },
    "original_due_date": {
      "title": "Original due date",
      "type": "string",
      "format": "date"
    },
    "balance_due": {
      "title": "Balance due",
      "type": "number"
    },
    "requested_action": {
      "title": "Requested action",
      "type": "string"
    },
    "contact_method": {
      "title": "How to contact you",
      "type": "string"
    },
    "notes": {
      "title": "Additional factual note",
      "type": "string"
    }
  },
  "required": [
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    "client_name",
    "notice_date",
    "related_document",
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