AP Unable to Match Invoice – Missing Reference Reply

When accounts payable says your invoice can’t be processed because a reference or PO is missing, respond fast with a clear question and easy way to pay.

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When to use / when to send

Checklist / what to include

  • Invoice #{{InvoiceNumber}}, amount {{Amount}}, due {{DueDate}}
  • Their missing reference/PO request
  • Direct ask: can invoice be queued if you reply with the correct reference?
  • Pay link {{PayLink}} if possible
  • Your contact for clarifications

How to use

Copy/paste template

Follow-up plan + common mistakes

  • If they reply with more missing info, reply in-thread and add precisely what was asked
  • If payment is still stalled after providing the reference, escalate to AP owner
  • Don’t get drawn into unrelated disputes—solve the matching issue only
  • Always state invoice number & amount in correspondence to ease tracking
  • Never threaten escalation at this early stage

FAQ

Follow up with a one-line request for payment timing. If stuck, escalate to the payment owner with all info attached.

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