Invitation rounds for Skilled Independent visa (subclass 189) and Skilled Regional (provisional) visa (subclass 489)visas will be run once a month.
Invitation rounds are anticipated to run on the 11th day of each month. Dates for the rounds are subject to change.
Invitation numbers in each round may vary depending on the number of applications being processed by the department.
Note: State or territory government nominations for Skilled Regional (provisional) visas (subclass 489) will not be impacted.
Source : https://immi.homeaffairs.gov.au/visas/working-in-australia/skillselect/invitation-rounds