The due date for employers to make super guarantee contributions for their employees for the June 2021 quarter is 28 July 2021.
Note that the super guarantee rate in relation to salary and wages paid on or before 30 June 2021 is 9.5%, but the super guarantee rate is 10% in relation to salary and wages paid from 1 July 2021 (even if they are paid in relation to work performed before that date).
Also, contributions made (and received by the fund) after 30 June 2021 will not be deductible in the 2021 income year, even if they are made in relation to work performed during the 2021 income year.