; and (B) in subsection (b), by striking the last sentence. (3) Americans with Disabilities Act of 1990 Section 510 of the Americans with Disabilities Act of 1990 ( 42 U.S.C. 12209 ) is amended— (A) by amending the matter preceding paragraph (1) to read as follows: The Government Accountability Office and the Government Publishing Office shall be covered as follows: ; and (B) in paragraph (4), by striking means the following and all that follows and inserting the following: means the following: the Government Accountability Office and the Government Publishing Office. . (d) Effective date (1) In general The amendments made by subsection (a) shall apply with respect to claims alleging violations of part A of title II of the Congressional Accountability Act of 1995 which are first made on or after the date of the enactment of this Act. (2) Treatment of pending claims under existing procedures If, as of the date of the enactment of this Act, an employee of the Library of Congress has or could have filed a charge or complaint pursuant to procedures of the Library of Congress which were available to the employee prior to such date for the resolution of a claim alleging a violation of a provision of law made applicable to the Library under section 201(a) of the Congressional Accountability Act of 1995 (including procedures applicable pursuant to a collective bargaining agreement), the employee may complete, or initiate and complete, all such procedures, and such procedures shall remain in effect with respect to, and provide the exclusive procedures for, that charge or complaint until the completion of all such procedures. 303. Clarification of coverage of employees of Helsinki and China Commissions (a) Clarification of Coverage Section 101 ( 2 U.S.C. 1301 ) is amended— (1) by striking Except as otherwise and inserting (a) In general .—Except as otherwise