Before we do, it's worth noting these campaign ads aren't subject to the strict rules that prevent a candidate or party distributing misleading or deceptive information about their rival during an election. The Coalition has flagged legislation to change that, but will wait until a High Court challenge against the postal survey has been heard.
Any change is at least a week away. The Coalition for Marriage group responsible for the ad is raising money to keep it on the air. It claims it cost $35,000 a day.
Who is this group? It's led by the Australian Christian Lobby (ACL), the Catholic Archdiocese of Sydney, the Anglican Diocese of Sydney and 25 other organisations, many of them Christian. The ACL has a track record of lobbying state and federal governments and claims 80,000 members.
The ad does not directly address the question of whether same-sex couples should be able to marry. It features three unidentified women speaking about their concerns around the impact of same-sex marriage on children.
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