Ato Fbt Gross Up Rate 2024. After application of medicare levy & medicare levy surcharge, grossed up amount = (1 + 3.5%)*1.818182*v = 1.88181*v. Grossing up means increasing the taxable value of benefits you provide to reflect the gross salary employees would have to earn at the highest marginal tax rate.

You pay this amount to us by the date your fbt return is due, which is generally 21 may. For current and more recent.