Board. (b) Operating instructions or other guidance Notwithstanding section 2116(b) of the Relief for Workers Affected by Coronavirus Act (subtitle A of title II of division A of Public Law 116–136 ), the authority of the Secretary of Labor to issue any operating instructions or other guidance necessary to carry out the provisions of such Act shall not extend to any activities related to sections 2112, 2113, or 2114 of such Act. Such authority with respect to such sections shall belong to the Railroad Retirement Board. 190607. Extension of extended unemployment benefits under the Railroad Unemployment Insurance Act (a) In general Section 2(c)(2)(D)(iii) of the Railroad Unemployment Insurance Act ( 45 U.S.C. 352(c)(2)(D)(iii) is amended— (1) by striking June 30, 2020 and inserting June 30, 2021