Any order entered pursuant to §§ 57-14 and 57-15 may provide that any instrument evidencing a debt secured by a deed of trust or mortgage made in behalf of a church diocese, congregation, church or religious denomination or society or branch or division thereof, hereinafter referred to inclusively as “church,” may be signed without personal liability by the treasurer or other fiscal officer of such church and thereupon become the obligation solely of the church named therein. To carry out any order entered pursuant to §§ 57-14 and 57-15, the judge may appoint a special commissioner to convey or encumber any real estate held for the benefit of any church in connection with any transaction involving any conveyance or debt in the name of the church. Any such instrument when recorded shall be indexed in the name of the church as grantor.