; and (B) the metro performance program under section 1305 of this Act. (2) Exception Obligation authority made available under paragraph (1) shall— (A) remain available for a period of 4 fiscal years; and (B) be in addition to the amount of any limitation imposed on obligations for Federal-aid highway and highway safety construction programs for future fiscal years. (f) Lop-Off (1) In general Not later than 30 days after the date of distribution of obligation authority under subsection (c) for each of fiscal years 2022 through 2025, the Secretary of Transportation shall distribute to the States any funds that— (A) are authorized to be appropriated for the fiscal year for Federal-aid highway programs; and (B) the Secretary determines will not be allocated to the States (or will not be apportioned to the States under section 204 of title 23, United States Code), and will not be available for obligation, for the fiscal year because of the imposition of any obligation limitation for the fiscal year. (2) Ratio Funds shall be distributed under paragraph (1) in the same proportion as the distribution of obligation authority under subsection (c)(5). (3) Availability Funds distributed to each State under paragraph (1) shall be available for any purpose described in section 133(b) of title 23, United States Code. 1103. Definitions and declaration of policy Section 101 of title 23, United States Code, is amended— (1) in subsection (a)— (A) by redesignating paragraphs (1), (2), (3), (4), (5), (6), (7), (8), (9), (10), (11), (12), (13), (14), (15), (16), (17), (18), (19), (20), (21), (22), (23), (24), (25), (26), (27), (28), (29), (30), (31), (32), (33), and (34) as paragraphs (2), (3), (4), (6), (8), (10), (11), (12), (13), (14), (16), (17), (18), (19), (20), (21), (23), (24), (25), (26), (28), (29), (32), (33), (34), (35), (36), (37), (38), (40), (41), (42), (43), and (44), respectively