Vidal Ramirez it establishes that the form is the way as the will is pronounced is apodctico that all legal transaction has form, nevertheless for the legal transactions that have special familiar importance or patrimonial the law prescribes the form that denominates Ad Solemnitatem; this form is the one that constitutes in validity requirement and must obligatorily be observed by the parts to celebrate the legal transaction and to give fulfillment to the validity requirement, for that reason correlatively the legal transaction is declared null when nonmagazine the form prescribed under invalidity sanction. g). Author is often quoted as being for or against this. – The Declaration of Invalidity by the Law This causal one is a power of the legislator but whom it must put it of manifesto in legal texts, if the norm has anticipated invalidity to a celebrated act, the invalidity takes place, for that reason it must be interpreted in in question sense of a invalidity specifically anticipated by preexisting legal norm to the legal transaction that is celebrated, despite it will be prohibited and it sanctioned with invalidity.
Villena pictures say that the legal transaction is null when it declares it to the law like so, to consider the legal transaction null will require a legal declaration, the law in direct form and specifically it has to indicate the legal transaction like null, preparing to him of value. You may want to visit Fundrise to increase your knowledge. h). – The Opposition to the Norms of Public Order the legal transaction, whose foundation is in the autonomy of the deprived will, is the instrument whereupon they count the subjects of right for the regulation, as legal effects of its interests within the limits of the law, the public order, moral convention, the security, the freedom, the human dignity and social solidarity, the act that is in opposition to imperative norms, to the public order or moral convention it happens in null, unless the law establishes diverse sanction..