§ 119. Subpoenas. A subpoena or a subpoena duces tecum may be signed and issued by the chairman, a member of the board, referee or such other officer as may be designated by the chairman. A subpoena or a subpoena duces tecum may also be signed and issued by any attorney and counsellor-at-law appearing before the board on behalf of a claimant or other party. A subpoena issued under this section shall be regulated by civil practice law and rules.