N.Y. Navigation Law § 49-B
3. Chemical tests. (a) Any person under the age of twenty-one who operates a vessel on the waters of the state shall be requested to consent to a chemical test of one or more of the following: breath, blood, urine, or saliva for the purpose of determining the alcoholic or drug content of his blood, provided that such test is administered at the direction of a police officer: (1) having reasonable grounds to believe such person to have been operating in violation of this section or paragraph (a), (b), (c), (d) or (e) of subdivision two of section forty-nine-a of this article and within two hours after such person has been placed under arrest, or detained pursuant to paragraph (c) of this subdivision, for any such violation or (2) within two hours after a breath test as provided in subdivision two of this section indicates that alcohol has been consumed by such person and in accordance with the rules and regulations established by the police force of which the officer is a member.
(b) Every person under the age of twenty-one who is alleged to have operated a vessel after having consumed alcohol as set forth in this section, and who is not charged with violating any subdivision of section forty-nine-a of this article arising out of the same incident, is entitled to a hearing before a hearing officer in accordance with the provisions of this section. Unless otherwise provided by law, the privilege to operate a vessel or any non-resident operating privilege of such person shall not be suspended or revoked prior to the scheduled date for such hearing.
(iv) The rules governing receipt of evidence in a court of law shall not apply in a hearing conducted pursuant to this subdivision except as follows: