(b) Any rule prescribed by a court, other than the Supreme Court, under subsection (a) shall be prescribed only after giving appropriate public notice and an opportunity for comment. Such rule shall take effect upon the date specified by the prescribing court and shall have such effect on pending proceedings as the prescribing court may order.
(c)
(2) Any other rule prescribed by a court other than the Supreme Court under subsection (a) shall remain in effect unless modified or abrogated by the Judicial Conference.
(e) If the prescribing court determines that there is an immediate need for a rule, such court may proceed under this section without public notice and opportunity for comment, but such court shall promptly thereafter afford such notice and opportunity for comment.
(f) No rule may be prescribed by a district court other than under this section.
(June 25, 1948, ch. 646, 62 Stat. 961; May 24, 1949, ch. 139, § 102, 63 Stat. 104; Pub. L. 100–702, title IV, § 403(a)(1), Nov. 19, 1988, 102 Stat. 4650.)