; and (4) in subparagraph (D), by striking December 31, 2020 and inserting January 31, 2021 . 50006. Reduction of State administrative burden in determination of amount of Pandemic Unemployment Assistance Section 2102(d) of the CARES Act ( Public Law 116–136 ) is amended by adding at the end the following: (4) State flexibility in establishing income In determining the income of an individual for purposes of an application for assistance authorized under subsection (b), a State may rely on such wage and self-employment data as the State may elect, including any applicable data with respect to an individual’s electronically mediated employment. . 50007. Extension of temporary assistance for States with advances Section 1202(b)(10)(A) of the Social Security Act ( 42 U.S.C. 1322(b)(10)(A) ) is amended by striking December 31, 2020 and inserting June 30, 2021 . 50008. Extension of full Federal funding of extended unemployment compensation Section 4105 of the Families First Coronavirus Response Act ( Public Law 116–127 ) is amended by striking December 31, 2020 each place it appears and inserting June 30, 2021 . 50009. Extension of temporary financing of short-time compensation payments in States with programs in law Section 2108(b)(2) of the CARES Act ( Public Law 116–136 ) is amended by striking December 31, 2020 and inserting January 31, 2021 . 50010. Extension of temporary financing of short-time compensation agreements Section 2109(d)(2) of the CARES Act ( Public Law 116–136 ) is amended by striking December 31, 2020 and inserting January 31, 2021 . 50011. Grace Period for Full Financing of Short-Time Compensation Programs Section 2108(c) of the CARES Act ( Public Law 116–136 ) is amended by striking shall be eligible and all that follows through the end and inserting the following: shall be eligible— (1) for payments under subsection (a) for weeks of unemployment beginning after the effective date of such enactment