(1) Any member of the Committee (other than the President of the Senate and the Speaker of the House of Representatives) may resign his seat on the Committee by writing under his hand addressed to the President of the Senate if he be a Senator, or to the Speaker of the House of Representatives if he be a member of the House of Representatives.
(2) The seat of any member of the Committee shall be deemed to have become vacant if he ceases to be a Senator or a member of the House of Representatives (as the case may be).