To successfully submit your Annual Employer Reconciliation (EMP501) SARS return and tax certificates for the 2021/2022 tax year, the Tax Year-end Copy system/instance should be on Release 5.7a or Release 5.7b.
Take note, if you are on 5.7a, and updated ETI Validation Tool version 2.30 was made available during October 2021 on the Software Downloads page. Click here for more details.