What is BT Savings Fund's USI number? WFS0402AU
Westpac Securities Administration (fund provider) details
A USI (Unique Superannuation Identifier) identifies a super fund product for SuperStream contributions and rollovers. Only APRA-regulated funds receive one — SMSFs use their ABN instead. Read our full guide to USI numbers.
| BT Superannuation Savings Fund USI Number: | WFS0402AU |
A SPIN (Superannuation Product Identification Number) is a legacy identifier from before SuperStream, now largely replaced by the USI. Read our full guide to SPIN numbers.
| BT Superannuation Savings Fund SPIN Number: | WFS0402AU |
An ABN (Australian Business Number) is an 11-digit number that identifies a business entity in Australia for tax and government reporting. Look up ABN details.
| BT Superannuation Savings Fund ABN Number: | 83 835 373 437 |
An RSE (Registerable Superannuation Entity) number is issued by APRA to confirm a fund is registered and regulated — SMSFs are not eligible. Read our full guide to RSE numbers.
| BT Superannuation Savings Fund RSE Number: | R1003963 |
| BT Superannuation Savings Fund Trustee ABN Number: | 77 000 049 472 |
An RSEL (Registerable Superannuation Entity Licence) is issued by APRA to a fund's trustee, separate from the fund's own RSE number.
| BT Superannuation Savings Fund RSEL Number: | L0001083 |
More About BT Savings Fund
The BT Superannuation Savings Fund (ABN 83 835 373 437, USI WFS0402AU) is a cash-focused superannuation product managed by Westpac Financial Services Limited. Note that BT Super for Life products merged into Mercer Super Trust on 1 April 2023; this specific fund (WFS0402AU) is a distinct product.
Details last verified: June 2026.
