36.(1) No person who has directly or indirectly by himself or his partner any share or interest in a contract with, by or on behalf of a Board or in any employment under, by or on behalf of a Board, otherwise than as a servant of the Board, shall become or remain a servant of such Board. (2) A servant of a Board who knowingly acquires or continues to have directly or indirectly by himself or his partner any share or interest in a contract with, by or on behalf of the Board or, in any employment under, by or on behalf of, the Board, otherwise than as a servant of the Board, shall be deemed to have committed an offence under section 168 of the Penal Code. (3) Nothing in this section shall apply to any share or interest in any contract with, by or on behalf of, or employment under, by or on behalf of a Board if the same is a share in a company contracting with, or employed by, or on behalf of, the Board or is a share or interest acquired or retained with the permission of the Officer Commanding-in-Chief, the Command in any lease or sale to, or purchase by, the Board of land or buildings or in any agreement for the same. (4) Every person applying for employment as a servant of a Board shall, if he is related by blood or marriage to any member of the Board or to any person, not being a menial servant, in receipt of remuneration from the Board, notify the fact and the nature of such relationship to the appointing authority before the appointment is made, and if he has failed to do so, his appointment shall be invalid but without prejudice to the validity of anything previously done by him.