288. Returning of the Policy.- The Board shall return the policy in the following circumstances, namely - (i) on the member leaving service permanently on superannuation; (ii) on leaving service permanently due to physical or mental disability; (iii) on the death of the member before he leaves the service; (iv) on the maturity of the policy assigned before the member leaves service or on the member becoming entitled to receive payment of the money in any other manner. | 
