(a) General. Unless the Administrator otherwise specifies, no public hearing, argument, or other proceeding is held directly on a petition before its disposition under this section.

(b) Grants. If the Administrator determines that the petition contains adequate justification, he initiates rule making action under this Subpart B.

(c) Denials. If the Administrator determines that the petition does not justify rule making, he denies the petition.

(d) Notification. Whenever the Administrator determines that a petition should be granted or denied, the Office of the Chief Counsel prepares a notice of that grant or denial for issuance to the petitioner, and the Administrator issues it to the petitioner.