Scheerer v. United States Atty Gen., 445 F.3d 1311 (11th Cir. Apr. 13, 2006) (8 C.F.R. 1245.1(c)(8), which prohibits petitioner from applying for change of status as an arriving alien in removal proceedings, is ultra vires to INA 245(a), and therefore invalid).
http://caselaw.lp.findlaw.com/data2/circs/11th/0416231p.pdf