There may be drawn from client account -
(a) in the case of client's money -
(i) money properly required for a payment to or on behalf of the client;
(ii) in the case of solicitor trust money, money properly required for a payment in the execution of the particular trust;
(iii) money properly required for or towards payment of debt due to the solicitor from t he client or in reimbursement of money expended by the solicitor on behalf of the client;
(iv) money drawn on the client's authority; and
(v) money properly required for or towards payment of the solicitor's costs where a bill of costs or other written intimation of the amount of the costs incurred has been delivered to the client and the client has been notified that money held for him will be applied towards or in satisfaction of such costs;
(b) in the case of trust money -
(i) money properly required for a payment in the execution of the particular trust;
(ii) money to be transferred to a client account in the execution of the particular t rust; and
(iii) money to be transferred to a separate bank account kept solely for the money of t he particular trust;
(c) such money, not being money to which either paragraph (a) or (b) applies, as may have been paid into the account under paragraph (b) or (d) of rule 4; and
(d) money which may by mistake or accident have been paid into the account in contravention of rule 6;
Provided that in any case under paragraph (a) or (b) the money so drawn shall not exceed the total of the money held for the time being in such account on account of such client or trust.