When any witness to such controversy shall reside out of the county where the said trustees resided at the time of their appointment, the referee or referees appointed to hear said controversy shall have power to issue a commission or commissions in like manner as justices of the peace are now authorized to issue the same, and the testimony so taken shall be returned to said referee or referees in the same manner, and be read before them on a hearing, in like manner as testimony taken on commission before justices of the peace.
New York Legal Code