California Code, Probate Code - PROB § 21524

(a) The transferor's spouse is the only beneficiary of income or principal of the marital deduction property as long as the spouse is alive. Nothing in this subdivision precludes exercise by the transferor's spouse of a power of appointment included in a trust that qualifies as a general power of appointment marital deduction trust.

(b) The transferor's spouse is entitled to all of the income of the marital deduction property not less frequently than annually, as long as the spouse is alive.For purposes of this subdivision, income shall be construed in a manner consistent with subdivision (b) of Section 2056 and subdivision (f) of Section 2523 of the Internal Revenue Code 1 and shall include a unitrust payment or other allocation of income determined pursuant to a reasonable apportionment of total investment return that meets the requirements of Section 643 of the Internal Revenue Code and the regulations adopted pursuant to that statute.

(c) The transferor's spouse has the right to require that the trustee of the trust make unproductive marital deduction property productive or to convert it into productive property within a reasonable time.