backdate

You should lodge your Centrelink claim early, and payments can be backdated. If you return to work early, keep-in-touch days keep you connected to your job, and the payment is taxable.

您应当尽早向 Centrelink 提交申请，款项可以追溯补发。如果您提前返岗，只要保留「保持联系工作日」就能继续领补贴，而且这笔补贴是应税的。