Section 20-302 - Necessity for probate(a) A will is ineffective to transfer property or to nominate a personal representative unless it is admitted to probate or recorded as provided in section 20-341(b).(b) Except for foreign personal representatives, no person shall exercise the powers or assume the duties of a personal representative unless he has been appointed by the Court.June 24, 1980, D.C. Law 3-72, § 101, 27 DCR 2155.