Members of House of Representatives from owning individual stocks (a) In general Rule XXIII of the Rules of the House of Representatives (known as the Code of Official Conduct ) is amended by designating clause 19 as clause 20 and inserting after clause 18 the following: 19. A Member, Delegate, or Resident Commissioner may not own the common stock of any individual corporation. . (b) Effective date The amendment made by subsection (a) shall take effect immediately before noon on January 3, 2021.