Section 25, The Post Office Savings Bank (Rate of Interest) Order

If any depositor shall become insane, or otherwiseincapacitated to act, and the same shall be proved to the satisfaction of the Postmaster General and provided that no order as to the application of his property has been made by a court, the Postmaster General may authorise payment from time to time from the funds of such depositor to any person whom he shall judge proper to receive the same and the receipt of such person shall be a good discharge for the same.