(a) A legal representative or trustee may make an irrevocable transfer under Section 141.010 to a custodian for a minor's benefit as authorized in the governing will or trust.
(b) If the testator or settlor has nominated a custodian under Section 141.004 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 141.004, or all persons nominated as custodian die before the transfer or are unable, decline, or are ineligible to serve, the legal representative or the trustee shall designate the custodian from among those persons eligible to serve as custodian for property of that kind under Section 141.010(a).