(a) The applicant shall send by United States mail a copy of the application and any subsequent amendments or other documents relating to the application, from which confidential information has been deleted in accordance with Sec. 1003.9(f), to each person who is reasonably ascertainable by the applicant as a person who would be aggrieved by the OHA action sought, including persons who participated in the process that led to the issuance of the order for which the modification or rescission is sought. The copy of the application shall be accompanied by a statement that the person may submit comments regarding the application to the OHA within 10 days. The application filed with the OHA shall include certification to the OHA that the applicant has complied with the requirements of this paragraph and shall include the names and addresses of all persons to whom a copy of the application was sent.
(b) If an applicant determines that compliance with paragraph (a) of this section would be impracticable, the applicant shall:
(1) Comply with the requirements of paragraph (a) of this section with regard to those persons whom it is reasonable and possible to notify; and
(2) Include with the application a description of the persons or class or classes of persons to whom notice was not sent. The OHA may require the applicant to provide additional or alternative notice, may determine that the notice required by paragraph (a) of this section is not impracticable, or may determine that notice should be published in the Federal Register.
(c) The OHA shall serve notice on any other person readily identifiable by the OHA as one who would be aggrieved by the OHA action sought and may serve notice on any other person that written comments regarding the application will be accepted if filed within 10 days of service of that notice.
(d) Any person submitting written comments to the OHA with respect to an application filed under this subpart shall send a copy of the comments, or a copy from which confidential information has been deleted in accordance with Sec. 1003.9(f), to the applicant. The person shall certify to the OHA that he has complied with the requirement of this paragraph. The OHA may notify other persons participating in the proceeding of such comments and provide an opportunity for such persons to respond.