Rostery
Free tool

V21: Only registered providers can provide this support. ABN must be provided in the claim.

An NDIA bulk payment request rejection code, from the NDIA’s own guide (December 2025).
V21

The message

“Only registered providers can provide this support. ABN must be provided in the claim.”

What it means

The support can only be delivered by a registered provider, and the ABN must be in the claim.

Other validation codes

  • V01: The NDIA is unable to pay this claim. The service provider was under a banning order issued by the NDIS Quality and Safeguards Commission.
  • V03: The support start date for the claim cannot be after the support end date.
  • V04: This claim has been identified as a duplicate. Please review the claim history.
  • V10: The support item selected can not be claimed.
  • V11: The service provider is either not listed under the participant's my providers for the specific support category, or they are on the list but not for the support dates.
  • V14: This service provider is not recorded as the Support Coordinator or Recovery Coach for the support period.
  • V15: This service provider is not recorded as the Plan Manager for the support period.
  • V16: The NDIS support selected was not funded in the plan when the support was delivered.

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 V21 mean?

V21: "Only registered providers can provide this support. ABN must be provided in the claim." The support can only be delivered by a registered provider, and the ABN must be in the claim.

Rostery does this for you

Stop working it out by hand

Rostery applies the right price, award rate and rule to every shift, invoice and claim automatically. Book a demo and we’ll show you on your own roster.