Section 62-B. Joint legislative committee competent authority to confer immunity

In  any  inquiry  or  investigation  by  a  joint  legislative
  committee, such committee is a competent authority to confer immunity in
  accordance  with  section  50.20 of the criminal procedure law. Immunity
  may be conferred only upon the concurrence of a  majority  of  the  full
  membership  of  such  committee  and  provided that at least twenty-four
  hours prior written notice is given to the attorney general of the state
  of New York and to the appropriate district attorney having an  official
  interest therein.