Bank of America, Wells Fargo and the California Bankers Association sued to strike the ban, which was overturned three months ago by a federal judge.
He and the project, along with a doctor and several other groups, sued to strike down the material-support law in 1998.
The State Supreme Court will still consider whether the lower court ruling against the ban applied only in Los Angeles and Alameda Counties, where two couples who sued to strike down the ban live.
Twenty-six states have sued to strike down that expansion, which would enroll many millions of the uninsured, contending that it would encroach on state sovereignty and coerce them into spending more on Medicaid.
Deborah Jacobs, executive director of the American Civil Liberties Union of New Jersey, said a balky developer would probably have to sue to strike down Mr. McGreevey's proposal to require flag-flying, assuming it becomes law, but she hoped it would not come to that.
The attorney general of Virginia has announced that the state will no longer defend its constitutional ban on gay marriage, siding instead with same-sex couples who are suing to have it struck down.
Activists sued Wednesday to strike down a Las Vegas ordinance that makes it illegal to feed homeless people in parks.
Attempts to tighten the fund's conflict-of-interest rules have failed in recent years, and in some cases provoked clashes, as when the state controller, Kathleen Connell, sued Calpers to strike down a set of rules limiting ex officio trustees' ability to raise campaign money.
Instead, he is suing to have the Texas civil asset forfeiture law struck down.Civil and criminal asset forfeiture laws are often confused.
Both couples are suing to have their states' bans on same-sex marriage struck down.
