No person other than a bank or trust company shall be guardian of more than five (5) wards at one (1) time, unless all the wards are members of one (1) family.
Upon presentation of a petition by an attorney of the Veterans' Administration or other interested person, alleging that a guardian is acting in a fiduciary capacity for more than five (5) wards as herein provided and requesting his discharge for that reason, the court, upon proof substantiating the petition, shall require a final accounting forthwith from such guardian and shall discharge him from guardianships in excess of five (5) and forthwith appoint a successor.