Competition and Consumer Act 2010 (Cth)
If the making of a contract after the commencement of this section contravenes this Act by reason of the inclusion of a particular provision in the contract, then, subject to any order made under section 51ADB or 87, nothing in this Act affects the validity or enforceability of the contract otherwise than in relation to that provision in so far as that provision is severable.
Amended by Trade Practices Amendment (Australian Consumer Law) Act (No. 1) 2010 (Act 44 of 2010)
See SST Consulting Services Pty Limited v Rieson  HCA 31 for extensive discussion on the issue of severance in the context of exclusive dealing conduct. Justice Kirby, in his dissent on this point, sets out the legislative history of the provision.