From the Parliament of Australia website:
On Thursday 16 February 2012, the Selection Committee asked the Committee to inquire into and report on the Marriage Equality Amendment Bill 2012 and the Marriage Amendment Bill 2012.Please click here to link to a relevant Background Note produced by the Parliamentary Library on Same-sex marriage.
The Committee encourages all interested parties to participate in the following survey on the two Marriage Bills. This information will be periodically calibrated and provided to the Committee as part of the evidence for this inquiry. These results will be published intermittently on the website. Please note the closing date for responses is 20 April 2012.