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C16: The support is not available for the dates entered.
An NDIA bulk payment request rejection code, from the NDIA’s own guide (December 2025).
C16
The message
“The support is not available for the dates entered.”
What it means
The support item is not valid for the claim dates.
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.
What this tool follows
- NDIS myplace provider portal: Bulk payment requests self-help guide for providers (December 2025): Part 3, payment request rejections
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 C16 mean?
C16: "The support is not available for the dates entered." The support item is not valid for the claim dates.
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