. . . "n of the identity of the lead appellant upon request; (4) The name of the project or activity for which the decision was made, the name and title of the Responsible Official, and the date of the decision; (5) The regulation under which the appeal is being filed, when there is an option to appeal under either this part or part 251, subpart C (??? 215.11(d)); (6) Any specific change(s) in the decisi" .