512B.18  Benefits not attachable.
  Money or other benefit, charity, relief, or aid to be paid, provided, or rendered by a society, is not liable to attachment, garnishment, or other process, or to be seized, taken, appropriated, or applied by any legal or equitable process or operation of law to pay a debt or liability of a member or beneficiary, or any other person who may have a derivative right, either before or after payment by the society, except as provided in sections 627.11 and 627.12.
90 Acts, ch 1148, §19