512.6 (a)(1) introductory text, (2), (b)(1)(i)(A), (B), (5) and (6) revised; (b)(1) introductory text, (2)(i), and (4)(i) amended; (b)(4)(iii) removed.............. 53175 (b)(7), (c)(9)(i), (e)(2), and (f)(2) amended; (c)(3) and (11) revised...........