EXPIRATION OF LEGISLATIVE AUTHORITY.

SEC. 6406. EXPIRATION OF LEGISLATIVE AUTHORITY.(a) In General.—Any legislative authority for construction of a road shall expire at the end of the 7-year period beginning on the date of the enactment of this subtitle unless a construction permit has been issued during that period.(b) Extension of Authority.—If a construction permit is issued within the allotted period, the 7-year authority shall be extended for a period of 5 additional years beginning on the date of issuance of the construction permit.(c) Extension of Authority as Result of Legal Challenges.—(1) In general.—Prior to the issuance of a construction permit, if a lawsuit or administrative appeal is filed challenging 123 STAT. 1183 the land exchange or construction of the road (including a challenge to the NEPA process, decisions, or any required permit process required to complete construction of the road), the 7-year deadline or the five-year extension period, as appropriate, shall be extended for a time period equivalent to the time consumed by the full adjudication of the legal challenge or related administrative process.(2) Injunction.—After a construction permit has been issued, if a court issues an injunction against construction of the road, the 7-year deadline or 5-year extension, as appropriate, shall be extended for a time period equivalent to time period that the injunction is in effect.(d) Applicability of Section 6405.—Upon the expiration of the legislative authority under this section, if a road has not been constructed, the land exchange shall be null and void and the land ownership shall revert to the respective ownership status prior to the land exchange as provided in section 6405.