15A. Sitting of the National Commission and signing of orders. - (1) Every proceeding of the National Commission shall be conducted by the President or the senior most member authorised and at least two members thereof sitting together except when a bench is constituted by the President of the National Commission with one or more members as he may deem fit. PROVIDED that where the member or members for any reason are unable to conduct the proceeding till it is completed, the President or the senior most member, as provided in section 22D of the Act, shall conduct such proceedings from the state at which it was last heard by the previous member. (2) Every order made by the National Commission shall be signed by the President or the senior most member as provided in section 22D and at least two members who conducted the proceeding and if there is any difference of opinion among themselves, the opinion of majority shall be the order of the National Commission: PROVIDED that where the proceeding is conducted by the President or the senior most member as provided in section 22D and three members thereof and they differ on any point or points, they shall state the point or points on which they differ and refer the same to the other member for hearing on such point or points and such point or points shall be decided accordingly to the opinion of the majority of the National Commission. | 
