CA Civ Proc Code Section 761.030

(a)

The answer shall be verified and shall set forth:

(1)

Any claim the defendant has.

(2)

Any facts tending to controvert such material allegations of the complaint as the defendant does not wish to be taken as true.

(3)

A statement of any new matter constituting a defense.

(b)

If the defendant disclaims in the answer any claim, or suffers judgment to be taken without answer, the plaintiff shall not recover costs.