Cal. Civ. Code § 1798.97.3
(a)
(3) A debtor shall plead the allegations of coerced debt with particularity and shall do either of the following:
(b) If the debtor establishes by a preponderance of the evidence in an action described in subdivision (a) that the particular debt, or portion thereof, is coerced debt, the debtor shall be entitled to the following relief:
(c)