(a) No portion of the policemen's pension and relief fund shall at any time be subject to seizure or levy under any process whatsoever for the payment of any claim or debt held against any disabled member or the surviving spouse, dependent parent, or child of a deceased or retired member.
(b) The fund shall be securely held and distributed for the purpose of pensioning the persons mentioned in this subchapter and for no other person or purpose whatsoever.