On March 17, the SEC proposed to readopt without change the relevant portions of Rules 13d-3 and 16a-1, in order to clarify that following the July 16 statutory effective date of Section 13(o) of the Exchange Act, which was added by Section 766 of the Dodd-Frank Act, the existing beneficial ownership rules will continue to apply to persons who buy or sell security-based swaps. Comments must be submitted by April 15. Proposed Rule.