Rule 15. Intervention
(a)
By Right. A person who participated in the proceedings before the Board is entitled to intervene in a case before the Court by filing with the Clerk a notice of intervention and serving a copy on all parties not later than 60 days after the date of the Clerk’s Notice of Docketing (see Rule
4
(b)(3)).
(b)
With Permission. Any person who did not participate in the proceedings before the Board and who seeks to intervene in a case before the Court must file with the Clerk a motion for permission to intervene and serve a copy on all parties not later than 60 days after the date of the Clerk’s Notice of Docketing (see Rule
4
(b)(3)). The motion must contain a concise statement of the interest of the moving person or party and the grounds upon which intervention is sought.
(c)
Extraordinary Circumstances. After the expiration of the time limit set in subsection (a) or (b), intervention will be permitted only on a finding of extraordinary circumstances.