The Commerce Department in a shutdown contingency plan released Monday said it will continue “the necessary work to address the effect of imported articles on national security.” The contingency guidelines mark a subtle shift from the previous plan, which said investigations would continue with unexpired funds if Congress failed to approve additional spending by the end of the fiscal year on Sept. 30. By claiming a national security rationale for the investigations, the administration can continue work on probes being conducted under Section 232 of the Trade Expansion Act. That provision allows for the imposition of tariffs on goods deemed critical to national security. …Section 232 investigations could take on even greater weight if the Supreme Court strikes down Trump’s use of the International Emergency Economic Powers Act. [to access the full story a Bloomberg subscription is required]