No.
The declaration of inheritance can be drawn up as a document signed by the heirs, whose signatures are attested by a notary. It can also be received in the form of a notarial deed.
In both cases, it allows verification of the identity, quality and capacity of the signatories and that the document faithfully reflects their will.
The involvement of a notary provides increased legal security and facilitates procedures with financial institutions, insurance companies, government agencies, the Land Registry, the Register of Personal and Real Movable Rights (RDPRM) as well as other stakeholders called upon to participate in the settlement of the estate.