2005 California Code of Civil Procedure Sections 872.410-872.430 Article 3. Answer

872.410.  The answer shall set forth:
   (a) Any interest the defendant has or claims in the property.
   (b) Any facts tending to controvert such material allegations of
the complaint as the defendant does not wish to be taken as true.
   (c) Where the defendant seeks sale of the property, an allegation
of the facts justifying such relief in ordinary and concise language.
872.420.  Where the defendant has or claims a lien on the property,
the answer shall set forth the date and character of the lien and the
amount remaining due thereon.
872.430.  The answer may set forth any claim the defendant has for
contribution or other compensatory adjustment.