47. A citation against the person to whom probate or letters of administration, as the case may be, was or were granted requiring him to bring into and leave at the Office the probate or letters of administration, as the case may be, may be issued on the application of any person applying for the revocation or amendment of the grant or who desires to compel proof of the will in solemn form. Service out of jurisdiction of a citation under this rule is permissible but only with the leave of the Court.