Trump will sign all three documents at the Treasury Department, the agency said.

The documents will include an executive order that directs Treasury Secretary Steven Mnuchin to “review significant tax regulations issued in 2016” to see if they “impose an undue financial burden on American taxpayers, add undue complexity, or exceed statutory authority.”

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One of the most sweeping tax regulations imposed in 2016 was written by the Obama administration’s Treasury Department and it made it much harder for companies to use a process known as “inversion” to incorporate overseas in places like Ireland so that they could avoid paying U.S. taxes.

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A spike in the number of companies using this tax loophole — particularly pharmaceutical firms — outraged U.S. lawmakers from both parties and prompted the Treasury Department to act. But many firms complained that the Obama administration was overstepping its authority. It's unclear if the inversion rule will be part of the new Treasury review.

Trump will also sign two new memorandums on Friday at Treasury, though they both seem to overlap with reviews that are already underway.

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One will direct Mnuchin to review something called “orderly liquidation authority,” Treasury said, which is a regulatory process that requires a process for winding down large, failing financial companies. This review would look at whether an “enhanced bankruptcy authority” would be better than the process established by the Dodd-Frank financial overhaul law. The review also asks Treasury to consider whether the liquidation rules “could lead to excessive risk-taking” by financial companies.

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The Treasury Department is already conducting a review of existing financial regulations, however, and it's unclear how this new memorandum would direct the agency to do anything differently from what it is already considering.