(1) When proved as provided in this subchapter, every will, if in the custody of the court, shall have endorsed thereon or annexed thereto a certificate by the clerk that the will has been probated.
(2) If for any reason a will is not in the custody of the court, the court shall find the contents thereof, and the order admitting the will to probate shall state the contents, and a certificate shall be annexed as provided in subsection (a) of this section.
(3) Every will certified as provided in this section, or the record thereof, or a duly certified transcript of the record, may be read in evidence in any court in this state without further proof.