New York Codes, Rules and Regulations
Title 22 - JUDICIARY
Subtitle A - JUDICIAL ADMINISTRATION
Chapter II - UNIFORM RULES FOR THE NEW YORK STATE TRIAL COURTS
Part 207 - Uniform Rules For The Surrogate's Court
Section 207.27 - Examinations before trial in contested probate proceedings

In any contested probate proceeding in which objections to probate are made and the proponent or the objectant seeks an examination before trial, the items upon which the examination will be held shall be determined by the application of article 31 of CPLR. Except upon the showing of special circumstances, the examination will be confined to a three-year period prior to the date of the propounded instrument and two years thereafter, or to the date of decedent's death, whichever is the shorter period.