Washington (CNN) President Donald Trump continues to hold the line on refusing to release his tax returns.

Speaking to reporters Wednesday, the House Ways and Means Committee's deadline for the IRS to turn over six years of his personal and business tax returns, Trump said: "I won't do it."

"There is no law, as you know, I got elected last time with the same issue and while I'm under audit, I won't do it. If I'm not under audit, I would do it, I have no problem with it, but while I'm under audit, I would not give my taxes," Trump said.

IRS Commissioner Charles Rettig, appearing before a Senate Finance committee hearing on Wednesday, said that he is "working with counsel and anticipating responding" to the House request for Trump's returns.

Rettig added that he has not either been directly or indirectly asked not to comply with Neal's request to turn over the returns from inside the White House or elsewhere.

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