Cal. Probate Code § 16330

The following definitions apply for purposes of this article: (a) “Applicable value” means the amount of the net fair market value of a trust taken into account under Section 16336. (b) “Express unitrust” means a trust for which, under the terms of the trust without regard to this article, income or net income shall or may be calculated as a unitrust amount. (c) “Income trust” means a trust that is not a unitrust. (d) “Net fair market value of a trust” means the fair market value of the assets of the trust, less the noncontingent liabilities of the trust. (e) “Unitrust” means a trust for which net income is a unitrust amount. The term includes an express unitrust. (f) “Unitrust amount” means an amount computed by multiplying a determined value of a trust by a determined percentage. For a unitrust administered under a unitrust plan, the term means the applicable value, multiplied by the unitrust rate. (g) “Unitrust plan” means a plan described in Sections 16334 to 16338, inclusive, and adopted pursuant to Section 16332. (h) “Unitrust rate” means the rate used to compute the unitrust amount under subdivision (f) for a unitrust administered under a unitrust plan.