Only seven months after Senators shot down her gay marriage bill, Greens Senator Sarah Hanson-Young has reintroduced the measure, the Australian reported.

Hanson-Young's bill is the first to take on Australia's Marriage Act, removing all references to gender from the law.

“I vowed to keep fighting and I promised to reintroduce my bill for a second time in the new parliament,” she told the upper house on Wednesday.

The bill, however, faces a steep incline. Last February, only five out of fifty senators voted in favor of the legislation. In the end, only the Greens agreed with the measure. Hanson-Young called the absence of nearly a third of the senators a “protest” vote.

Leading Labor Party officials have already ruled out allowing their members a conscience vote.

“The Labor Party has a clear position on the Marriage Act, that is a party position, so you should expect to see the Labor Party voting as a political party, in unison, if that proposition comes to the parliament,” Prime Minister Julia Gillard told the Australian Broadcasting Corporation (ABC).

Hanson-Young urged backers to lobby their individual MP's on the issue, and demand a conscience vote from the Labor Party.

A majority of Australians favor granting gay and lesbian couples the right to marry.