Gifts inter vivos, made in full ownership and evidenced by a notarised deed signed between 1 January and 31 December 2015, of building land defined in 1° of 2 of I of Article 257 are exempt from free transfer duties, up to the declared value of these assets, where the deed of gift contains an undertaking by the donee, made on behalf of himself and his successors in title, to build and complete new premises intended for residential use within a period of four years from the date of the deed, up to a maximum of:
1° €100,000, when they are granted for the benefit of a descendant or ascendant in the direct line, spouse or partner linked by a civil solidarity pact;
2° €45,000, when they are granted for the benefit of a brother or sister;
3° €35,000, when they are granted for the benefit of another person.
The exemption is subject to the condition that the donee or, where applicable, his successors in title provide proof, at the end of the four-year period, of the construction and completion of the premises intended for residential use referred to in the first paragraph of this article.
A total of all gifts granted by the same donor may only be exempt up to €100,000.