certain provs commenced 2013 Act No. 39 Business Names (Commonwealth Powers) Act 2011 ss 1–2 commenced on date of assent pts 4–5, sch 1, sch 2 defs change-over day, existing Act commenced 28 May 2012 (2012 SL No. 58) remaining provisions commenced on date of assent Treasury and Trade and Other Legislation Amendment Act 2013 ss 1, 110(2) sch 3 pt 2 commenced on date of assent 1History notess 8 amd 2013 No. 39 s 110 (2) sch 3pt 2 Bill (Introduction) Explanatory Note Act 2011, No. 34