Section 389.17 - Participation by interested persons(a) Any interested person may participate in rule making proceedings by submitting comments in writing containing information, views, or arguments.(b) In his/her discretion, the Administrator may invite any interested person to participate in the rule making procedures described in §389.25.35 FR 9209, 6/12/1970, as amended at 53 FR 2036, 1/26/1988