Section 53. Departments of town government

The town board of a suburban
  town may, by local law, create, modify or discontinue departments of the
  town government in addition to those otherwise authorized by law and may
  assign  additional  functions  or  duties  to  offices,  departments  or
  agencies  established  by or pursuant to act of the legislature or local
  law, but may not discontinue or assign to any other  office,  department
  or agency any function or duty otherwise required by law to be performed
  by an officer serving in an elective office.