Section 128-A. Police officers allowed to work in licensed premises in certain cases

Notwithstanding any inconsistent provision of law to  the
  contrary,  the  authority shall promulgate such rules and regulations as
  may be necessary to provide that it shall not be unlawful for  a  police
  officer  employed  in  this state, having written permission and consent
  from his commanding officer, to work in a premises licensed to sell beer
  at retail for off-premises consumption under section fifty-four of  this
  chapter  or to work solely as a security guard or director of traffic on
  the premises of a volunteer firefighters' organization licensed to  sell
  beer  and  wine at retail pursuant to a temporary permit for on-premises
  consumption under section ninety-seven of this chapter.