Prob. Code, § 19515

(a) An authorized fiduciary may not exercise the decanting power to the extent the first trust instrument expressly prohibits exercise of either of the following:

(1) The decanting power.

(2) A power granted by state law to the fiduciary to distribute part or all of the principal of the trust to another trust or to modify the trust.

(b) Exercise of the decanting power is subject to any restriction in the first trust instrument that expressly applies to exercise of either of the following:

(1) The decanting power.

(2) A power granted by state law to a fiduciary to distribute part or all of the principal of the trust to another trust or to modify the trust.

(c) A general prohibition of the amendment or revocation of a first trust, a spendthrift clause, or a clause restraining the voluntary or involuntary transfer of a beneficiary’s interest does not preclude exercise of the decanting power.

(d) Subject to subdivisions (a) and (b), an authorized fiduciary may exercise the decanting power under this part even if the first trust instrument permits the authorized fiduciary or another person to modify the first trust instrument or to distribute part or all of the principal of the first trust to another trust.

(e) If a first trust instrument contains an express prohibition described in subdivision (a) or an express restriction described in subdivision (b), the authorized fiduciary shall include that provision or restriction in the second trust instrument.