Any person who, by use of the mails or any means or instrumentality of interstate commerce or otherwise, solicits or permits the use of his name to solicit any proxy, consent, authorization, power of attorney, ratification, deposit, or dissent in respect of any plan of reorganization of any registered investment company shall file with, or mail to, the Commission for its information, within twenty-four hours after the commencement of any such solicitation, a copy of such plan and any deposit agreement relating thereto and of any proxy, consent, authorization, power of attorney, ratification, instrument of deposit, or instrument of dissent in respect thereto, if or to the extent that such documents shall not already have been filed with the Commission.