; (2) in subsection (a), as so designated— (A) in paragraph (1), by striking 2203(f)(3) and inserting 2203(g)(4) ; (B) in paragraph (3), by striking and at the end; (C) in paragraph (4), by striking the period and inserting ; and ; and (D) by adding at the end the following: (5) provisions for establishing procedures for documenting required metadata. ; and (3) by adding at the end the following: (b) The Archivist shall issue, and shall regularly update, implementation guidance with respect to the regulations described in subsection (a)(5). .