Section 333. Access to safe deposit boxes by certain fiduciaries

Where a
  safe deposit box is let by a lessor to one or  more  persons  acting  as
  executors,  administrators,  trustees,  guardians,  a  committee,  or as
  conservators, the lessor may, except as otherwise expressly provided  by
  the  terms  of  the lease or by the will or other instrument or order or
  decree under which such person or persons may be  acting,  allow  access
  thereto as follows:
    1.  By  any  one  or  more  of  the  persons  acting  as  executors or
  administrators;
    2. By any one or more of the persons acting as trustees, guardians,  a
  committee,  or  as conservators when authorized in writing signed by the
  other person or all other persons so acting.
    3. By any agent, authorized in a writing signed and duly  acknowledged
  by  the  person,  or  if  more  than  one,  by all the persons acting as
  executors, administrators, trustees or guardians,  a  committee,  or  as
  conservators.