Conclusiveness of Orders Granting Letters; Exceptions

In the absence of fraud in its procurement, an order of the Superior Court of Guam granting letters testamentary, letters of administration with the will annexed, or letters of administration, when such order COL120106 CH. 14 JURISDICTION becomes final, is a conclusive determination of the jurisdiction of the Superior Court of Guam (except when based upon the erroneous assumption of death), and cannot be collaterally attacked.