Section 11A of the Principal Act is amended as follows:(a) by omitting from subsection (3B) "is " and substituting "is as follows:" ;(b) by omitting from subsection (3B)(a) "or" second occurring;(c) by omitting from subsection (3B)(b) "year" first occurring and substituting "year, being a financial year in which February has 28 days," ;(d) by inserting the following paragraph after paragraph (b) in subsection (3B) :(c) if adjusted Australian wages for the year, being a financial year in which February has 29 days, are more than $1 010 000, an amount ascertained by applying the rate of 6.10% to the difference between the total of the taxable wages paid or payable by the employer during that financial year and an amount calculated in accordance with the following formula:(e) by omitting subsection (5) and substituting the following subsection:(5) In this section adjusted Australian wages means where D is the number of days on which the employer was an employer during the financial year.(a) in respect of a financial year commencing on or after 1 July 1992 in which February has 28 days, the Australian wages paid or payable by an employer during that financial year, multiplied by (b) in respect of a financial year commencing on or after 1 July 1992 in which February has 29 days, the Australian wages paid or payable by an employer during that financial year, multiplied by