ATO client-to-agent linking is expanding: What does it mean for you?

The Australian Taxation Office has announced that it is expanding its client-to-agent linking process to individuals and sole traders.
The change is being introduced to provide greater security and transparency around who is authorised to access a taxpayer’s information and act on their behalf.
A pilot is planned to begin in March 2027, ahead of full implementation in November 2027.
What is client-to-agent linking?
Client-to-agent linking is an authorisation process between a taxpayer and their registered tax or BAS agent.
The process currently applies to entities with an Australian Business Number, excluding sole traders. This includes companies, trusts, partnerships, self-managed superannuation funds and other relevant entities.
These entities generally need to complete the process when they:
- appoint a new registered tax or BAS agent;
- change from one agent to another; or
- provide an existing agent with authority for an additional tax obligation.
If an existing agent relationship and its authorisations remain unchanged, the entity generally does not need to complete a new nomination.
What is changing?
The ATO is preparing to expand client-to-agent linking to individuals and sole traders.
Under the proposed process, the registered agent will initiate the linking request. The client will then authorise the request through ATO online services or the ATO app before the agent can access the relevant information and act on their behalf.
This means that when an individual or sole trader appoints a new agent, changes agents or provides additional authorisation, there will be an additional security step to complete.
Why are we telling our clients now?
Although full implementation is not expected until November 2027, the pilot is planned to begin in March.
There is nothing most clients need to do immediately unless we contact you directly. However, we want clients to understand the change early and know that SB will be available to guide them through the process.
Our team will continue to monitor the ATO’s implementation requirements and provide clear instructions as further information becomes available.
If you have any questions about client-to-agent linking or appointing a registered tax or BAS agent, please contact our office.
Disclaimer: The information provided on this blog is for general informational purposes only. While we strive to ensure that the content is accurate and up to date, the advice and information provided on this site should not be construed as a substitute for consulting with a qualified accounting or tax professional. The authors and contributors to this blog do not accept any responsibility or liability for any errors or omissions in the content, or for any losses or damages arising from the use of the information provided.
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