(1) A promise of a donation made subject to the condition that the donee survives the donor is governed by the provisions concerning dispositions mortis causa. The same applies to a promise to fulfil an obligation or an acknowledgement of debt of the kind described in sections 780 and 781, made by way of donation subject to this condition.
(2) If the donor executes the donation by delivery of the object given, the provisions concerning gifts inter vivos apply.