http://law.ato.gov.au/atolaw/view.htm?DocID=TPA/TA20087/NAT/ATO/0...

http://law.ato.gov.au/atolaw/view.htm?DocID=TPA/TA20087/NAT/ATO/00001

Application of Part IVA of the Income Tax Assessment Act 1936 to 'wash sale' arrangements

"The type of wash sale arrangement this alert covers is where a taxpayer disposes of, or otherwise deals with a capital gains tax (CGT) asset to generate a capital or revenue loss, but where in substance, there is no significant change in the taxpayer's economic exposure in the asset. This may occur where the interest in the asset is in some way reinstated by the taxpayer, in order to apply a resulting capital loss or allowable deduction against a capital gain or assessable income already derived or expected to be derived."

Wash sales may not be illegal, but not encouraged.