Sec. 8A. TRANSFER OF VENUE IN PROBATE PROCEEDING
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(a) Transfer for Want of Venue. If it appears to the court at any time before the final decree in a probate proceeding that the proceeding was commenced in a court which did not have priority of venue over such proceeding, the court shall, on the application of any interested person, transfer the proceeding to the proper county by transmitting to the proper court in such county the original file in such case, together with certified copies of all entries in the judge's probate docket theretofore made, and the proceeding in such county shall be completed in the same manner as if the proceeding had originally been instituted therein; but, if the question as to priority of venue is not raised before final decree in the proceedings is announced, the finality of such decree shall not be affected by any error in venue.
(b) Transfer for Convenience. If it appears to the court at any time before a probate proceeding is concluded that it would be in the best interest of the estate or, if there is no administration of the estate, that it would be in the best interest of the heirs or beneficiaries of the decedent's will, the court, in its discretion, may order the proceeding transferred to the proper court in any other county in this State. The clerk of the court from which the proceeding is transferred shall transmit to the court to which the proceeding is transferred the original file in the proceeding and a certified copy of the index.