A will is a revocable juridical act which is strictly personal to the deceased.
Civil Code
2015 English source edition · Current applicability not established.
This is the 2015 English-language edition attributed in its front matter to the Ministry of Justice. Eri Atlas has not independently verified the translation, later changes, or whether the text is currently in force. Nine passages are incomplete in the available scan and are identified where they occur.
Article 730
Strictly Personal Nature · Preserved transcription; page attribution imported from the source collection. Verify against the original.
Any agreement or undertaking whereby a person binds himself to make a will of a certain content, or grants to another person the power to make, modify or revoke a will on his behalf shall be of no effect.
A person may not entrust a third person with the task of determining how and on whom his succession is to devolve.