Kentucky Revised Statutes Title XXXIV. Descent, Wills, and Administration of Decedents' Estates § 394.310.Original will may be withdrawn from court, when

The District Court before which a will has been probated may permit any person interested to withdraw the will temporarily upon proper terms, if it is shown that the original will is necessary as evidence in any proceeding pending in a foreign government, or in any state of the United States. A copy of the will shall always be retained and entered upon the records of the court permitting the withdrawal.