Any interested person or association wishing a revision of any
section of this part may submit in writing to the Administrator a
petition for amendment thereof, setting forth the changes desired and
the reasons for proposing them. If upon inspection of the petition the
Administrator believes that reasonable cause for amendment of the
regulations is set forth, the Administrator will either schedule a
hearing with notice to interested parties or will make other provisions
for affording interested parties an opportunity to present their views
in support of or opposition to the proposed change.