(1) A prisoner may
spend from gratuities to his credit such amounts and on such purchases as may
be approved by the superintendent from time to time.
(2) A prisoner may
apply to the superintendent to expend or transfer moneys held on his behalf
for a specified purpose and the superintendent may authorise such expenditure
or transfer.
(3) The transfer of
any moneys from one prisoner to another shall not be authorised by the
superintendent unless he is satisfied that the transfer is for a proper
purpose.