54 time. The Defence and Security Committee so formed may, if necessary, be included suitable Amyotha Hluttaw representatives who are not the Defence Services personnel in accord with the volume of work. (c) If there arises a need to study and submit on other affairs, in addition to legislature, executive, national races affairs, economics, finance, social and foreign affairs, the Hluttaw Committees may be formed with the Amyotha Hluttaw representatives for a limited time. (d) The Amyotha Hluttaw shall determine the number of members, duties, powers, rights, and term of the Amyotha Hluttaw Committees. 148. If there arises a certain matter to co-ordinate with the Pyithu Hluttaw, the Amyotha Hluttaw may elect and assign its representatives who will serve with the Joint Committee comprising an equal number of representatives from the Amyotha Hluttaw and the Pyithu Hluttaw to form that Committee. The term of the Joint Committee shall be until the time they have submitted the report to the Hluttaw concerned. 149. When both the Amyotha Hluttaw and the Pyithu Hluttaw have certain matters to study, apart from matters to be performed by the Committees as prescribed in SubSections (a) and (b) of Section 147, the Speakers of these Hluttaws may co-ordinate among themselves and form a Joint Committee comprising an equal number of representatives from the Amyotha Hluttaw and the Pyithu Hluttaw. The Amyotha Hluttaw may elect and assign the Amyotha Hluttaw representatives included in that Committee. The term of the Joint Committee shall be until the time they have submitted the report to the Hluttaw concerned. 150. Formation of the Amyotha Hluttaw Commissions and Bodies of the Amyotha Hluttaw shall be carried out subject to the provisions relating to the formation of Commission and Bodies of the Pyithu Hluttaw under Section 118.