Article 83 — Transitional provisions

1. This Regulation shall apply to the succession of persons who die on or after 17 August 2015.
2. Where the deceased had chosen the law applicable to his succession prior to 17 August 2015, that choice shall be valid if it meets the conditions laid down in Chapter III or if it is valid in application of the rules of private international law which were in force, at the time the choice was made, in the State in which the deceased had his habitual residence or in any of the States whose nationality he possessed.
3. A disposition of property upon death made prior to 17 August 2015 shall be admissible and valid in substantive terms and as regards form if it meets the conditions laid down in Chapter III or if it is admissible and valid in substantive terms and as regards form in application of the rules of private international law which were in force, at the time the disposition was made, in the State in which the deceased had his habitual residence or in any of the States whose nationality he possessed or in the Member State of the authority dealing with the succession.
4. If a disposition of property upon death was made prior to 17 August 2015 in accordance with the law which the deceased could have chosen in accordance with this Regulation, that law shall be deemed to have been chosen as the law applicable to the succession.