A person who, if the person survived a decedent by 120 hours, would be the decedent's heir is considered not to have survived the decedent for the required period if:

1. (1) the time of death of the decedent or of the person, or the times of death of both, cannot be determined; and
2. (2) the person's survival for the required period after the decedent's death cannot be established.

Added by Acts 2009, 81st Leg., R.S., Ch. 680, Sec. 1, eff. January 1, 2014.