Missing PO Number Delay Resolution Reminder Email

A missing purchase order (PO) is a common but frustrating cause of delayed payments. Use this reminder email to get the correct PO number and unlock invoice approval.

When to use / when to send

Checklist / what to include

• Invoice #{{InvoiceNumber}}, amount {{Amount}}
• Due date {{DueDate}} and PO reference (if known)
• Request: correct or updated PO number
• Alternative: order confirmation or prior approval reference
• Direct pay link {{PayLink}}, if feasible

How to use

Copy/paste template

Follow-up plan + common mistakes

• Send promptly after PO delay is confirmed
• If no reply, call AP for status and escalate as necessary
• Do not resend the same email repeatedly—change channel after two attempts
• Always validate the PO before attaching to new invoices
• Never bypass the PO process at risk of rejection

FAQ

Related templates

• PO mismatch invoice reminder email
• Vendor setup missing info email
• Accounts payable follow-up email
• Overdue invoice ap confirmation request template
• Overdue invoice phone script for decision maker