Now it goes to the House.
The Liberal senator said the marriage vote must not be about replacing one persecuted minority with another.
Here are five reasons his proposals should be resisted.
Those weddings need to be planned, but Christmas may be a little too soon.
But a Turnbull Government minister has warned not to replace one discrimination with another.
Mental health organisations are pleading with the government to show more concern for the negative impact from the postal survey.
But people living with HIV continue to deal with stigma and discrimination.
But the party appears headed to reaffirm a barely wanted plebiscite.
The bill was released a day ahead of a special meeting to try and settle the rift on marriage equality.
The PM has called a meeting of power companies amid an internal party tussle over same-sex marriage.