Is the amount at T2 Subtotal less than the amount at E Refundable tax offsets?
No  | 
Write 0 at I. Go to K.  | 
|---|---|
Yes  | 
Read on.  | 
Take T2 Subtotal away from E Refundable tax offsets. Write the result at I.
See the examples at T5 tax payable showing the calculation of I Tax offset refunds.
T5 is mandatory. If you leave T5 blank, you will have specified a zero amount.