Rep. Dan Kildee Daniel (Dan) Timothy KildeeLawmakers fear voter backlash over failure to reach COVID-19 relief deal Democrats set to hold out for big police reform More than 100 Democrats press Trump to extend jobless benefits MORE (D-Mich.) defended Ways & Means Committee Chair Richard Neal Richard Edmund NealRep. Bill Pascrell named chair of House oversight panel Rep. Cedric Richmond set to join House Ways and Means Committee Coons beats back progressive Senate primary challenger in Delaware MORE’s (D-Mass.) authority to request President Trump Donald John TrumpOmar fires back at Trump over rally remarks: 'This is my country' Pelosi: Trump hurrying to fill SCOTUS seat so he can repeal ObamaCare Trump mocks Biden appearance, mask use ahead of first debate MORE’s tax returns Sunday, calling Trump the “least transparent president in half a century.”

Contrary to language used by Trump’s attorneys in a letter to the Internal Revenue Service Friday, Neal’s request is “not a Pandora’s box” and derives from “legitimate authority,” Kildee told ABC’s George Stephanophoulos.

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"We are looking very carefully right now as to whether or not the IRS is properly auditing and enforcing tax law on the President of the United States, and we’re considering legislative changes to that end,” Kildee said on ABC’s “This Week.”

Rep. Dan Kildee, a member of the House Ways and Means Committee: "We are looking very carefully right now as to whether or not the IRS is properly auditing and enforcing tax law on the President of the United States" https://t.co/koQUGuN2wR pic.twitter.com/RSmFFsNhhb — This Week (@ThisWeekABC) April 7, 2019

“It is not up to President Trump to determine whether or not this coequal branch of government has the tools available to it to make the deliberations necessary in order to make policy.”

Kildee added that the American public “has a right to know whether the president’s interests are impacting the decisions that he makes” and telling Stephanophoulos Trump has “broken 50 years of tradition” by not releasing his returns.

“The president and the Congress [have] legitimate authority, the question is whether we’re using that authority for legitimate purposes,” Kildee said. “Anybody who knows Donald Trump should be concerned about his abuse of authority.”

On Friday, an attorney for Trump wrote that Neal could not legally request Trump's tax returns until the IRS receives an opinion from the Justice Department's Office of Legal Counsel.

On Sunday, acting White House Chief of Staff Mick Mulvaney Mick MulvaneyMick Mulvaney to start hedge fund Fauci says positive White House task force reports don't always match what he hears on the ground Bottom line MORE said Democrats will "never" see the tax returns.