; (B) in paragraph (3), in the matter preceding subparagraph (A), by striking , with concurrence by the Secretary, ; and (C) in paragraph (7)— (i) by striking If and inserting the following: (A) In general Subject to subparagraph (B), if ; and (ii) by adding at the end the following: (B) Extension On receipt of a request from a State, the Secretary shall delay the effective date of the offset against the apportionment of the State described in subparagraph (A) for such period as the Secretary determines to be appropriate, in accordance with applicable law (including regulations). . 504. Agreements relating to use of, and access to, rights-of-way on Interstate System Section 111 of title 23, United States Code, is amended— (1) in subsection (a)— (A) in the fourth sentence— (i) by striking Nothing and inserting the following: (4) Effect of section Nothing ; (ii) by striking Interstate System (1) if such establishment (A) was and inserting the following: Interstate System, if— (A) the establishment— (i) was ; (iii) by striking 1960, (B) is owned by a State, and (C) is and inserting the following: 1960; (ii) is owned by a State; and (iii) is ; and (iv) by striking otherwise, and (2) if all and inserting the following: otherwise; and (B) all ; (B) in the third sentence, by striking Such agreements may, however, and inserting the following: (3) Use of airspace An agreement described in paragraph (1)(A) may ; (C) in the second sentence, by striking Such agreements shall also contain a clause providing and inserting the following: (2) Automotive service stations An agreement described in paragraph (1)(A) shall include a requirement ; (D) by striking the subsection designation and heading and all that follows through All agreements between the Secretary and the in the first sentence and inserting the following: (a) Requirements for agreements (1) Points of access and exit (A) In general Except as provided in subparagraph (B), each agreement between the Secretary and a