Complex sentence: On 15 March 2007, the "Australian Citizenship Act 2007" received Royal Assent and replaced the 1948 legislation, commencing on 1 July 2007.
Split into simpler sentences: On 15 March 2007 the "Australian Citizenship Act 2007" received Royal Assent. This Act replaced the 1948 legislation, and commenced on 1 July 2007.