New York Consolidated Laws, Judiciary Law - JUD § 323. Evidence of appointment and filing same;  stenographer's oath

Every appointment made pursuant to this article shall be in writing under the hand of the official who makes the same, and shall be filed in the clerk's office of the county in which such appointment is made.  Every appointee, before he enters upon the duties of his office, shall take and subscribe the constitutional oath of office, and shall make oath before the county clerk that he will keep secret all matters and things occurring before such grand juries.