Any unilateral promise of sale relating to an immovable, an immovable right, a business, a right to a lease relating to all or part of an immovable or to the securities of the companies referred to in Articles
728and
1655 terof the General Tax Code, if it is not recorded in a notarial deed or in a private deed registered within ten days of the date of its acceptance by the beneficiary. The same applies to any transfer relating to the said promises that has not been the subject of a notarial deed or a private deed registered within ten days of its date.

