New ATO SSID Requirement for STP Lodgements

From 30 June 2026, employers using payroll software that lodges Single Touch Payroll (STP) through a Sending Service Provider (SSP) must notify the ATO of the SSP’s Software ID / SSID.

For Saasu customers, this means nominating our partnered SSP, Oban Solutions, in ATO Access Manager using the SSID provided in Saasu. This is a one-time authorisation that allows STP lodgements to continue securely through Saasu.

We’ve prepared a step-by-step guide covering what the new SSID requirement means, the roles of Saasu and Oban Solutions, and how to complete the nomination in ATO Access Manager.

Read the full guide here