(b) If the testator or settlor has nominated a custodian under section three of this article to receive the custodial property, the transfer must be made to that person.
(c) If the testator or settlor has not nominated a custodian under section three of this article or all persons so nominated as custodian die before the transfer or are unable, decline or are ineligible to serve, the personal representative or the trustee, as the case may be, shall designate the custodian from among those eligible to serve as custodian for property of that kind under subsection (a), section nine of this article.