5 13. There shall be a Region Hluttaw in each of the seven Regions, and a State Hluttaw in each of the seven States. 14. The Pyidaungsu Hluttaw, the Region Hluttaws and the State Hluttaws include the Defence Services personnel as Hluttaw representatives nominated by the Commander-inChief of the Defence Services in numbers stipulated by this Constitution. 15. For National races with suitable population, National races representatives are entitled to participate in legislature of Regions or States and Self-Administered Areas concerned. 16. The Head of the Union and the Head of Executive of the Union is the President. 17. (a) The executive power of the Union is shared among the Pyidaungsu, Regions and States; Self-Administrative power shall be shared between SelfAdministered Areas as prescribed by this Constitution. (b) In the executive of the Union, Regions, States, Union Territory, SelfAdministered Areas and districts, Defence Services personnel, nominated by the Commander-in-Chief of the Defence Services to undertake responsibilities of the defence, security, border administration, so forth, shall be included. (c) For National races of which representatives are so permitted to participate in legislature of Regions, States or Self-Administered Areas in accord with Section 15, such representatives are to be permitted to participate, mainly, to undertake their National races affairs.