N.Y. Comp. Codes R. & Regs. tit. 22, § 1851.7
Any order granting preliminaryor temporary letters will provide that such letters will expire six monthsafter the date of issuance. The order will further provide for the petitionerto post a bond for the full amount of the estate assets alleged in the petition.Preliminary or temporary letters may be of limited authority as determinedby the court.