Participation of interested persons.

(a) Any interested person may participate in a rulemaking proceeding by submitting written comments,information, views or arguments. (b) In its discretion, the agency may invite any interested person to participate in the rulemaking procedures described in this subpart. [80 FR 57309, Sept. 23, 2015, as amended at 81 FR 75731, Nov. 1, 2016]