Legislation for copyright infringement injunctions (website blocking) was introduced last week. It’s being put through the Senate Legal and Constitutional Affairs Committee, which is taking submissions until 16 April.
The Bill: http://www.aph.gov.au/Parliamentary_Business/Bills_LEGislation/Bills_Search_Results/Result?bId=r5446
The Inquiry: http://www.aph.gov.au/Parliamentary_Business/Committees/Senate/Legal_and_Constitutional_Affairs/Copyright_Bill_2015
The substantial aspects of the legislation are only about three pages long.
You can contribute to the submission at: https://www.overleaf.com/2455933cnnjjq