Complex sentence: Date accessed 16 December 2010 This was primarily because New South Wales, Queensland, Tasmania and the ACT use an optional preferential voting system Electoral Commission of NSW.
Split into simpler sentences: Date accessed 16 December 2010 This was primarily because the state electoral commissions in New South Wales use an optional preferential voting system. Also, Queensland, Tasmania and the ACT use an optional preferential voting system Electoral Commission of NSW.