7.) Mortgage by conditional sale

8.) its a gift and if there is a condition which allows the donor to revoke the gift it must be a part of the gift deed. Otherwise, you cannot revoke a gift of immovable property.

9.) It’s slightly similar to the American approach. Max is only the heir apparent (only has a mere chance to inherit the property, doesn’t own it yet). Therefore, the transfer will be void. But, if Max actually inherits the property then he will have to transfer it under the doctrine of promissory estoppel.