This subchapter governs procedures applicable to proceedings before the Copyright Royalty Judges in making determinations and adjustments pursuant to 17 U.S.C. § 115(d) and 801(b). The procedures set forth in part 355 of this subchapter shall govern administrative assessment proceedings pursuant to 17 U.S.C. § 115(d) and 801(b)(8), and the procedures set forth in parts 351 through 354 of this subchapter shall govern all other proceedings pursuant to 17 U.S.C. § 801(b).