Originally, before the 1998 ballot referendum, the plan had been forecast to cost $1.1 billion.
If passed again in 2013 or 2014, it will become a ballot referendum in 2014.
However, in 2004, the amendment was removed from the constitution via another ballot referendum.
But even the lawsuit's supporters question their chances in court, and most say it will take a new ballot referendum to reverse the amendment.
But another ballot referendum would require a two-thirds vote of the Legislature to raise taxes.
The cost of construction projects in the future will go to the voters for approval via ballot referendum.
Changes proposed by the commission must be approved by voters in a ballot referendum.
Things will look more like California, where the most important decisions will be put before voters on a ballot referendum.
The law, which was challenged by religious groups, will go before San Francisco voters in a ballot referendum this fall.
Voters in effect treat the election as a ballot referendum on a gut-wrenching issue.