Cal. Bus. & Prof. Code § 11255
(b) If the accommodation in a time-share plan offering time-share use interests that is free and clear of blanket encumbrances, other than a lien of current real property taxes, is conveyed to a trustee or an association, the trust or association instruments shall include, but not be limited to, all of the following:
(d) If an accommodation in the time-share plan is conveyed to a trustee pursuant to subdivision (c), the trust instrument shall include all of the following provisions in addition to those set forth in subdivision (b):
(1) The deposit into trust, and the retention for the duration of the trust, of nondelinquent installment sales contracts or promissory notes of time-share interests purchases having an aggregate principal balance owing not ordinarily less than 150 percent of the difference between the aggregate principal balance owing under blanket encumbrances against the accommodation and the amount of money, or its equivalent, in the trust and available at any time to be applied to the reduction of the principal balance of the blanket encumbrances.
(2) The deposit into trust, and the retention for the duration of the trust, of funds in an amount at all times sufficient to pay the total of three successive monthly installments of debt service on the blanket encumbrance.