CA Civ Proc Code Section 1972

(a)

Section 1971 shall not be construed to abridge the power of any court to compel the specific performance of an agreement, in case of part performance thereof.

(b)

Section 1971 does not affect the creation of a trust under Division 9 (commencing with Section 15000) of the Probate Code nor prevent any trust from arising or being extinguished by implication or operation of law.