- Authentic instruments containing dispositions mortis causa (the will and disinheritance) : notary.
- However the testator may either write the will (or disinheritance) by hand or draw it up in another written form in the presence of witnesses or in the form of an authentic instrument.
- Civil status documents as death certificate, other certificates attesting to the relationship with the deceased : Civil Registry office
- Extracts from Commercial register : notary/post office/court
- Certification about the facts required for an assessment of the circumstances : municipality/police/other state authorities
- experts opinion : qualified expert
- Extracts from the land registry : Cadastre office