From 1 November 2021, if you have new employees start, you may need to request an employees Stapled Super Fund from the ATO if they don’t choose a super fund.
A stapled super fund is an existing super account which is linked, to an individual employee so that it follows them as they change jobs.
Full details can be found here:
https://www.ato.gov.au/Business/Super-for-employers/Setting-up-super-for-your-business/Offer-employees-a-choice-of-super-fund/Request-stapled-super-fund-details-for-employees/