When a mutual bank is being wound up the liability of any member in respect of any share shall be limited to the amount in arrear on such share at the commencement of such winding-up: Provided that no member shall be entitled to claim repayment of any amount actually paid on any such share unless the claims of all creditors of the mutual bank have been paid in full: Provided further that if a member has received any advance or loan from the mutual bank, he shall be liable to repay the full amount owing by him in respect of such advance or loan.