Not later than 180 days after August 8, 2005 , and every 180 days thereafter until the Alaska natural gas pipeline commences operation, the Federal Energy Regulatory Commission shall submit to Congress a report describing— (1) the progress made in licensing and constructing the pipeline; and (2) any issue impeding that progress. ( Pub. L. 109–58, title XVIII, § 1810 , Aug. 8, 2005 , 119 Stat. 1126 .)