with respect to such sections shall belong to the Railroad Retirement Board. 305. Extension of waiver of the 7-day waiting period for benefits under the Railroad Unemployment Insurance Act (a) In general Section 2112(a) of the CARES Act ( 15 U.S.C. 9030 ) is amended by striking December 31, 2020 and inserting January 31, 2021 . (b) Operating instructions and regulations The Railroad Retirement Board may prescribe any operating instructions or regulations necessary to carry out this section. (c) Clarification on Authority to Use Funds Funds appropriated under section 2112(c) of the CARES Act shall be available to cover the cost of additional benefits payable due to section 2112(a) of the CARES Act by reason of the amendments made by subsection (a) as well as to cover the cost of such benefits payable due to section 2112(a) of the CARES Act as in effect on the day before the date of enactment of this Act. 306. 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