Civil unions became available to same- and opposite-sex couples on 1 January 2012.

Which examines whether the union is true, such as opposite-sex couples.

The act grants a number of rights enjoyed by married, opposite-sex couples.

This does not however allow dual citizenship, which is reserved for opposite-sex couples.

"That is the natural outcome of sexual activity between opposite-sex couples."

The legislature shall have the power to reserve marriage to opposite-sex couples.

It allows opposite-sex couples to establish domestic partnerships as well.