Where a petition is filed for the appointment of a curator of a proposed pensioner who is alleged to be an incapacitated person a certificate of the director or his representative, setting forth the fact that such person has been rated incompetent by the bureau on examination in accordance with the laws and regulations governing such bureau and that the appointment of a curator is a condition precedent to the payment of any moneys due such person by the bureau, shall be prima facie evidence of the necessity for such appointment.
K.S.A. 73-506