SECTION 2.03  POWERS AND DUTIES.
   (a)   The board of aldermen shall act as the policy making and legislative body for the city government.
   (b)   Unless a contrary intent or provision appears in this charter or in State law, the board of aldermen shall have all the powers and discharge all the duties conferred or imposed on city councils, boards of aldermen or selectmen of towns.
   (c)   The board of aldermen shall provide for the performance of all duties and obligations imposed on the city by this charter or State law.
   (d)   The board of aldermen shall nominate and appoint the city officers listed in Section 3.07 of this Charter.