Any person may file a petition with the Secretariat of the Commission for the issuance, amendment or repeal of a rule of general application. The petition shall be directed to Secretariat, Commodity Futures Trading Commission, Three Lafayette Centre, 1155 21st Street, NW., Washington, DC 20581, and shall set forth the text of any proposed rule or amendment or shall specify the rule the repeal of which is sought. The petition shall further state the nature of the petitioner's interest and may state arguments in support of the issuance, amendment or repeal of the rule. The Secretariat shall acknowledge receipt of the petition, refer it to the Commission for such action as the Commission deems appropriate, and notify the petitioner of the action taken by the Commission. Except in affirming a prior denial or when the denial is self-explanatory, notice of a denial in whole or in part of a petition shall be accompanied by a brief statement of the grounds of denial.