(1) Where a spouse, after the other spouse has been declared dead, enters into a new marriage, then, if the spouse declared dead is still alive, the new marriage may be annulled for breach of section 1306 only if both spouses knew at conclusion of the marriage that the spouse declared dead was still alive at the date of the declaration of death.
(2) On conclusion of the new marriage, the earlier marriage is dissolved, unless both spouses of the new marriage knew at conclusion of the marriage that the spouse declared dead was still alive at the date of the declaration of death. It remains dissolved even if the declaration of death is set aside.