4(1)The application of the seal of any Board shall be authenticated by the signatures of the chairman of the Board or some other member of the Board authorised by the Board to authenticate the application of the seal thereof, and of the secretary of the Board or some person authorised by the Board to act in his stead in that behalf.
(2)A Board may authorise a person to act instead of the secretary under this paragraph whether or not the secretary is absent or incapable of acting.