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C23: Service booking could not be generated as no budget is available in participant's plan.

An NDIA bulk payment request rejection code, from the NDIA’s own guide (December 2025).
C23

The message

“Service booking could not be generated as no budget is available in participant's plan.”

What it means

There is no budget available in the plan.

Other claim codes

  • C01: Service booking does not exist.
  • C02: Service booking for the product entered is still awaiting approval.
  • C03: Support start/end dates entered are outside the service booking dates.
  • C04: Quantity entered is more than the approved quantity in the service booking.
  • C05: No approved service booking exists for the selected product within the selected start/end dates.
  • C06: The price entered exceeds the price of the product approved in the selected service booking.
  • C07: Participant does not exist in the selected service booking.
  • C09: A payment request can only be submitted until 90 days from the service booking end date.

See every NDIA claim code

What this tool follows

General information only, not financial, legal or claiming advice. Always check a claim against the current official documents.

Questions people ask

What does NDIS claim rejection C23 mean?

C23: "Service booking could not be generated as no budget is available in participant's plan." There is no budget available in the plan.

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