Which of the Following Possible Commencement Dates of an Act

Multiple Choice

Which of the following possible commencement dates of an Act of Parliament is not correct?

A) 28 days after the date the Act receives Royal Assent from the Governor-General if it is Commonwealth legislation.
B) The date of Royal Assent if it is State or Territory legislation.
C) As specifically stated in the Act.
D) The date the legislation is printed by the Government Printer.