123. Transfer how effected.
For the purpose of making a gift of immovable property, the transfer must be effected by a registered instrument signed by or on behalf of the donor, and attested by at least two witnesses.
For the purpose of making a gift of movable property, the transfer may be effected either by a registered instrument signed as aforesaid or by delivery.
Such delivery may be made in the same way as goods sold may be delivered.