The legislation under which the House Committee on Un-American Activities operates is Public Law 601, 79th Congress [1946], chapter 753, 2d session, which provides:
Be it enacted by the Senate and House of Representatives of the United States of America in Congress assembled, * * *
PART 2—RULES OF THE HOUSE OF REPRESENTATIVES
Rule X
SEC. 121. STANDING COMMITTEES
17. Committee on Un-American Activities, to consist of nine Members.