N.Y. C.P.L.R. § 7701
A special proceeding may be brought to determine a matter relating to any express trust except a voting trust, a mortgage, a trust for the benefit of creditors, a trust to carry out any plan of reorganization of real property acquired on foreclosure or otherwise of a mortgage or mortgages against which participation certificates have been issued and guaranteed by a corporation and for which the superintendent of financial services has been or may hereafter be appointed rehabilitator or liquidator or conservator, a trust to carry out any plan of reorganization pursuant to sections one hundred nineteen through one hundred twenty-three of the real property law or pursuant to section seventy-seven B of the national bankruptcy act, and trusts for cemetery purposes, as provided for by sections 8-1.5 and 8-1.6 of the estates, powers and trusts law.
Any party to the proceeding shall have the right to examine the trustees, under oath, either before or after filing an answer or objections, as to any matter relating to their administration of the trust, in accordance with the provisions of article thirty-one.
N.Y. CPLR 7701