Employ in lockdown (3 days Brisbane) does he get paid sick or holiday for the day he couldn't come to work due to lockdown.
This is going to depend on the award that covers your employees. I suggest that you try Fairwork Australia https://www.fwc.gov.au/
Thank you Bruce, I will check that out.
Quarantine & self-isolation - Pay and leave during coronavirus - Fair Work Ombudsman | Fair Work Ombudsman - Coronavirus
Employees who can't go to work because of coronavirus :
Employees aren’t entitled to be paid (unless they use paid leave entitlements) if they can’t work because:
Some employees have access to unpaid pandemic leave.
Employees who are employed under one of the affected awards can access up to 2 weeks of unpaid pandemic leave (or more by agreement with their employer) if they can’t work:
The leave is available to full-time, part-time and casual employees in full immediately. They don’t have to accrue it.