"All of these are proof that bureaucratic management doesn't work," he said.
The decision to hold IRS impeachment hearings is a victory for conservatives.
The bills would pause new hires and implement congressional oversight of user fee spending.
Republicans have leveled a string of complaints against the agency.
“Every single duty he had, he breached,” Rep. Jim Jordan said.
Trump has argued he cannot release his tax returns until an audit is concluded.
IRS systems had been unavailable since Wednesday because of a system outage.
Report identifies 24 of the most of the most serious problems taxpayers encounter.
The proposed regulations were prepared by Treasury with the IRS.
Operatives use "social welfare" organizations to pump anonymous millions into our elections.
The hiring of outside litigators at the IRS is the latest overreach by the Obama administration.
But Republicans and Democrats disagree on whether the groups were intentionally targeted.
The House is beginning impeachment hearings for John Koskinen.
Procrastination on reforming the tax code has put US companies at a competitive disadvantage.
A House bill would make it more difficult for individuals to get the assistance they need.
As the federal deadline approaches, here are four tax surprises to note.
“Our responsibility is the administration of the tax code,” IRS Commissioner John Koskinen said.
"I'm always audited by the IRS, which I think is very unfair," Trump said.
The hardware failure is preventing the agency from accepting electronic filings.
"I don’t know how people think that would happen," the national taxpayer advocate says.
A watchdog says the agency has more work to do to stop fraudulent claims.
Agencies have been producing far more law than Congress itself.
Religious colleges are worried the agency will eventually go after their tax exemption.
"There are consequences for misleading Congress," Rep. Jason Chaffetz said.