Section 110. Exemption from taxes and legal process

The right of a person
  to  a  pension,  a   pension-providing-for-increased-take-home-pay,   an
  annuity  or  a retirement allowance, to the return of contributions, the
  pension, the pension-providing-for-increased-take-home-pay, annuity,  or
  retirement allowance itself, any optional benefit, including any benefit
  or  monies  accruing  under  an  optional retirement program pursuant to
  article eight-B or one hundred twenty-five-A of the education  law,  any
  other  right  accrued  or accruing to any person under the provisions of
  this chapter and the monies in the various funds  continued  under  this
  chapter:
    1.  Are  hereby  exempt  from  any  state or municipal tax, except the
  estate tax, and
    2. Shall not be subject to execution, garnishment, attachment, or  any
  other process whatsoever, and
    3.  Shall  be  unassignable,  except  as  in this chapter specifically
  provided.