There are rules for when Rent Assistance can be paid when you are outside Australia
Rules for Rent Assistance outside Australia
You must continue to meet the eligibility requirements for your main payment.
If you leave Australia to live in another country, your payment will stop on departure.
If you leave Australia temporarily, as long as you continue to be paid your main payment, you will generally continue to receive your Rent Assistance for up to 6 weeks.
If your main payment can be paid for longer than 6 weeks, providing you are still paying rent in Australia, you may continue to receive Rent Assistance.
Read more about payments while outside Australia.