Section 209. Powers incidental to jurisdiction of the court The court has power: 1

To  open,  vacate,  modify or set aside any decree or order of the
  court directing distribution of the property of an estate which was made
  prior to the probate of and without knowledge of a  will  which  affects
  such  distribution,  and  in  the same or a different proceeding, and on
  notice to the persons or the fiduciaries of  the  persons  to  whom  the
  property  has  been  distributed,  to  make  such  further and different
  direction as to such distribution as justice  may  require,  and  as  an
  incident   thereto,   order  the  refund  of  any  property  theretofore
  distributed erroneously.
    2. To sign any decision, decree or order, with its usual signature  or
  initials,  and  all decisions, decrees or orders heretofore or hereafter
  so signed shall be valid and binding.
    3. To transfer for trial in the surrogate's court having  jurisdiction
  any  action  or  proceeding  pending in any court other than the supreme
  court, which affects or relates to the administration of an  estate  and
  to  receive  for  trial  any  such  action  or proceeding pending in the
  supreme court which may by order of the latter court be  transferred  to
  the  surrogate's  court on the prior order of that court and to transfer
  any action or proceeding  other  than  one  which  has  been  previously
  transferred  to  it or which affects or relates to the administration of
  an estate,  to  any  other  court,  except  the  supreme  court,  having
  jurisdiction  of  the  subject  matter in any other judicial district or
  county provided such other court has jurisdiction over  the  classes  of
  persons named as parties.
    4.  To  determine  a  decedent's  interest  in any property claimed to
  constitute a part of his gross estate subject to estate tax,  or  to  be
  property  available  for  distribution under his will or in intestacy or
  for payment of claims, and  to  determine  the  rights  of  any  persons
  claiming  an  interest  therein,  as against the decedent, or as between
  themselves, and to construe any instruments made by him  affecting  such
  property.
    5.  To  settle  the  account  of a fiduciary of a common trust fund as
  provided in the banking law.
    6. To determine any and all matters relating to lifetime trusts.
    7. To entertain a proceeding under EPTL 8-1.1.
    8. To dismiss any proceeding which the  petitioner  has  neglected  to
  prosecute diligently.
    9. To determine any unfinished business pending before its predecessor
  in  office  and to sign or certify papers or records left uncompleted or
  unsigned by its predecessor.
    10. In the exercise of its jurisdiction, the court shall have  all  of
  the  powers  that  the  supreme  court  would  have  in like actions and
  proceedings including, but not limited to, such incidental powers as are
  necessary to carry into effect all powers expressly conferred herein.
    11. The enumeration of powers herein shall not be deemed exclusive.